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Tytuł:
Flexibility Program Among Lower Secondary School Students And Physical FItness Indicators Assessed In The Convention Of Health-Related Fitness (H-RF)
Autorzy:
Żukowska, Hanna
Krygowski, Dariusz
Szark-Eckardt, Mirosława
Zając, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/1054767.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
IPFT (the International Physical Fitness Test)
flexibility
health
physical fitness
students
Opis:
Flexibility is one of the elements – components which support physical fitness and health as well (Howley, Franks, 1997; Bouchard, Shephard, 1994; Skinner, Oja, 1994). The purpose of this paper was to assess the impact of additional flexibility exercises on physical fitness in lower secondary school students, evaluated by means of IPFT (the International Physical Fitness Test). The study was conducted in two experimental groups, where extra flexibility exercises were added to all obligatory PE lessons, and one control group. 1. The decreased standard deviation observed in particular IPFT attempts in the experimental class is the correct tendency showing the favorable influence of flexibility exercises on students’ physical fitness and health. 2. An improvement and considerably better, though statistically insignificant, results were obtained by the students involved in the additional exercises, in all assessed motor skills (strength, speed, endurance and flexibility) and in the scoring reflecting the level of physical fitness. 3. After one year of exercises the control group had worse average results in two attempts – 50 m run (to assess speed) and standing forward bend (to measure flexibility). This trend indicates the importance of flexibility exercises as regards speed and agility.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2016, 15, 3; 55-62
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magdalena Woś, Język ojczysty w procesie akwizycji języków obcych. Teoria i praktyka, Wydawnictwo Uniwersytetu Rzeszowskiego, Rzeszów 2016, 254 s.
Autorzy:
Zając-Knapik, Halina
Powiązania:
https://bibliotekanauki.pl/articles/1896633.pdf
Data publikacji:
2018-12-30
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Źródło:
Linguodidactica; 2018, 22; 203-208
1731-6332
Pojawia się w:
Linguodidactica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phonetic Imitation of Vowel Duration in L2 Speech
Autorzy:
Zając, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/620691.pdf
Data publikacji:
2013-03-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
phonetic imitation
phonetic convergence
phonetic accommodation
L2 pronunciation
vowel lenght in L2 pronunciation
pre-fortis clipping in L2 pronunciation
Polish learners of English
social factors affecting phonetic imitation
linguistic factors affecting phonetic imitation
Opis:
This paper reports the results of a pilot study concerned with phonetic imitation in the speech of Polish learners of English. The purpose of the study was to investigate whether native speakers of Polish imitate the length of English vowels and to determine whether the extent of phonetic imitation may be influenced by the model talker being a native or a non-native speaker of English. The participants were asked to perform an auditory naming task in which they indentified objects and actions presented on a set of photos twice, with and without the imitation task. The imitation task was further sub-divided depending on the model talker being a native or non-native speaker of English (a native Southern British English speaker and a native Polish speaker fluent in English). As the aim was to investigate the variability in durational characteristics of English vowels, the series of front vowels /æ e ɪ iː/ were analysed in the shortening and lengthening b_t vs. b_d contexts. The results of the study show that the participants imitated the length of the investigated vowels as a result of exposure to the two model talkers. The data suggest that the degree of imitation was mediated both by linguistic and social factors and that the direction of convergence might have been affected by the participants’ attitude toward L2 pronunciation.
Źródło:
Research in Language; 2013, 11, 1; 19-29
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected Electroanalytical Determination Methods of Zinc in Materials of Different Origins
Autorzy:
Zając, Magdalena
Rojowski, Jacek
Szlósarczyk, Marek
Powiązania:
https://bibliotekanauki.pl/articles/1033788.pdf
Data publikacji:
2012
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
anodic stripping voltammetry
electroanalytical methods
polarography
zinc assay
Opis:
Zinc is a naturally wide spread element, which generally finds its use in industry but also in numerous pharmaceutical, cosmetic and stomatology materials. Taking into consideration its frequent occurrence (in almost all biological materials) and its low quantities, a good choice of analytical method for zinc assay is a necessity. Apart from spectrophotometric methods – especially AAS (Atomic Absorption Spectrometry) which is a method of choice for zinc determination, also electroanalytical methods are used. Most frequently ASV (Anodic Stripping Voltammetry) or Polarography is applied. Despite the need of samples digestion electrochemical methods offer a price convenient method for determination of zinc, even in trace amounts (ppt – parts per trillion). Currently there is also new information about ion selective electrodes suitable for zinc assay.
Źródło:
Medicina Internacia Revuo; 2012, 25, 99; 70-73
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of αlpha-linolenic acid supplementation on murine macrophages RA W 264.7 activated with lipopolisaccharide
Autorzy:
ZAJĄC, Anna
SROCZYŃSKA, Katarzyna
LIPKOWSKA, Anna
OLBERT, Magdalena
LIBROWSKI, Tadeusz
SAŁAT, Kinga
MALIKOWSKA, Natalia
GDULA-ARGASIŃSKA, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1033804.pdf
Data publikacji:
2017
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
COX-2
FP receptor
cPGES
lipopolysaccharide
macrophage RAW 264.7
α – linolenic acid
Opis:
Chronic inflammation is characterized by excessive production of cytokines and eicosanoids and is associated with unsufficient resolution. Supplementation with n-3 fatty acids may result in a lower incidence of many inflammatory diseases. The aim of this study was to determine the effect of α – linolenic acid (ALA) on the fatty acids profile of cell membranes and on the pro-inflammatory proteins cyclooxygenase – 2 (COX-2), prostaglandin E2 synthase (cPGES) and prostaglandin F2α receptor (FP) expression in murine RAW 264.7 macrophages, activated with lipopolysaccharide (LPS). It has been shown that COX-2, cPGES as well as FP receptor expression was highest in cells activated by LPS. In macrophages supplemented with ALA and activated with LPS a pro-inflammatory protein levels were significantly reduced, suggesting anti-inflammatory activity of α-linolenic acid. There were also statistically significant changes in the fatty acid profile after incubation of the RAW 264.7 cells for 48 hours with ALA. A deficiency or excess of specific fatty acids affect the cellular membrane fluidity, can also cause changes in cell morphology. Therefore it is appropriate to carry out further research on the ALA properties.
Źródło:
Medicina Internacia Revuo; 2017, 28, 108; 176-181
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prezentacja okresów przejściowych uzyskanych przez Polskę na mocy traktatu akcesyjnego
Autorzy:
Tendera-Właszczuk, Helena.
Zając, Magdalena.
Zajączkowska, Magdalena (1978- ).
Bąba, Wojciech (1979- ).
Powiązania:
Studia i Prace Wydziału Ekonomii i Stosunków Międzynarodowych / Uniwersytet Ekonomiczny w Krakowie 2007, nr 1, s. 83-102
Data publikacji:
2007
Tematy:
Unia Europejska (UE)
Przepis przejściowy Unia Europejska
Negocjacje akcesyjne
Opis:
Bibliogr.
Dostawca treści:
Bibliografia CBW
Artykuł
Tytuł:
Raport z oznaczania zwęglonych nasion, owoców i węgli drzewnych ze stanowiska grupy tarnobrzeskiej kultury łużyckiej w Grabowcu, stan. 1, gm. Radymno, woj. podkarpackie
Report on marking carburised seeds, fruit and charcoal from the site of the Tarnobrzeg group of the Lusatian culture in Grabowiec, site 1, commune Radymno, the Podkarpackie Voivodeship
Autorzy:
Stachowicz-Rybka, Renata
Moskal-del Hoyo, Magdalena
Tomczyńska, Zofia
Lityńska-Zając, Maria
Powiązania:
https://bibliotekanauki.pl/articles/896847.pdf
Data publikacji:
2014
Wydawca:
Narodowy Instytut Dziedzictwa
Tematy:
archaeobotany
anthracology
the Tarnobrzeg group of the Lusatian culture
Grabowiec
Opis:
The presented article contains the results of macroscopic analysis of plant remains (fruit, seeds and wood), deposited on the site of the Tarnobrzeg group of the Lusatian culture in Grabowiec, site 1/50/105-85 AZP, commune Radymno. All the discussed pieces remained in a burnt condition. They represented few residues of Einkorn wheat cereals Triticum monococcum, spelt Triticum spelta and proso millet Panicum miliaceum. In the group of wild herbal species there was recorded the presence of plants related today with arable fields (Bromus secalinus, Thlaspi arvense and Galium spurium) or field and ruderal habitats (Chenopodium album). The most strongly represented were the remains of trees and shrubs. On their basis Carpinus betulus, Fraxinus excelsior, Pinus sylvestris, Acer, Alnus, Betula, Quercus and Ulmus were marked. The composition of the anthracologic spectrum suggests that in the neighbourhood of the site forests in the type of today’s broadleaved forest developed (oak, hornbeam involving maple and lime) and riparian forests (ash and alder).
Źródło:
Raport; 2014, 9; 151-164
2300-0511
Pojawia się w:
Raport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transplantacja serca i przewlekła choroba kardiologiczna a poziom ujawnianej samotroski
Level of self-care in heart transplant and chronic heart disease patients
Autorzy:
Ratajska, Anna
Sinkiewicz, Władysław
Zając, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/1178399.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Kazimierza Wielkiego w Bydgoszczy
Tematy:
heart diseases
heart transplant
self-care
Opis:
The aim of the research paper was to identify the relationship between a chronic cardiac disease and heart transplantation, and the level of patients’ selfcare. The notion of self-care and its levels has been defined, and the circumstances in which it becomes activate specified. Research findings showed that there is no difference in the level of self-care between the group of patients with a chronic heart condition and the group of patients with a heart transplant, and between cardiac patients and healthy individuals. The difference showed in the higher global level of self-care in patients after heart transplantation compared to healthy individuals. The research revealed that a heart transplantation treatment has a direct effect on the scope of self-care in patients. It can therefore be concluded that in the context of changes following a cardiac transplantation, self-care is activated as a buffering mechanism, facilitating a better adaptation of a patient. Yet, it cannot be stated that self-care is a rational mechanism consciously used in order to cope with the situation.
Źródło:
Polskie Forum Psychologiczne; 2013, XVIII, 4; 441-456
1642-1043
Pojawia się w:
Polskie Forum Psychologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
NEUROPSYCHOLOGICAL FACTORS OF SUBJECTIVE COGNITIVE COMPLAINTS OF THE OLDER ADULTS
Autorzy:
Pawlaczyk, Natalia Anna
Słupczewski, Jakub
Szymańska, Marta
Szmytke, Magdalena
Bałaj, Bibianna
Zając-Lamparska, Ludmiła
Powiązania:
https://bibliotekanauki.pl/articles/2138036.pdf
Data publikacji:
2021-06-26
Wydawca:
Fundacja Edukacji Medycznej, Promocji Zdrowia, Sztuki i Kultury Ars Medica
Tematy:
SCCs
switching of attention
divided attention
focus of attention
anxiety
personality traits
Opis:
Subjective cognitive complaints (SCCs) are defined as belief of the decline of a cognitive condition compared with an earlier period of functioning. Many studies have shown the relationship between SCCs with objective neuropsychological results as well its dependency on psychological characteristics. Considering the complex nature of SCCs, this study tested the relationship between SCCs reported in the attention domain with the results obtained in neuropsychological attention tasks, as well as with psychological cha racteristics and among complaints reported in various domains of functioning. Sixty participants over 60 years of age took part in the study. Subjects were tested for the intensity of SCCs in everyday func tioning, psychological characteristics (mood; anxiety, state and trait; and personality traits) and various aspects of attention domain (switching, divided, and focus). The SCC intensity reported in various areas of functioning was associated with each other as well as with psychological characteristics (personality traits, anxiety, and mood/depression). There were no significant relations between the SCC intensity reported in the attention domain and the outcomes obtained in neuropsychological attention tasks. Our results showed that the intensity of SCCs may be a result of subjects’ psychological characteristics and that the tendency to report complaints in various spheres of functioning simultaneously may be observed. It seems to be important to consider that SCCs are related to several psychological factors when it is included in a cognitive diagnosis and treated as a direct indicator of a cognitive condition.
Źródło:
Acta Neuropsychologica; 2021, 19(2); 257-275
1730-7503
2084-4298
Pojawia się w:
Acta Neuropsychologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of zinc oxide nanoparticles on the expression of proinflammatory proteins in murine macrophages raw 264.7 cells
Autorzy:
OLBERT, Magdalena
GRYC, Karolina
SROCZYŃSKA, Katarzyna
ZAJĄC, Anna
LIPKOWSKA, Anna
LIBROWSKI, Tadeusz
GDULA-ARGASIŃSKA, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1033697.pdf
Data publikacji:
2017
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
COX-2
Nrf2
inflammation
zinc oxide nanoparticles
Opis:
Zinc is a microelement essential for the body. It has a great impact on the proper development and renewal of tissues, reproductive system, skin condition, or immune processes. Zincis involved practically in all aspects of the immune system and the production and activation of white blood cells. This work aimed to determine the effect of zinc oxide nanoparticles (ZnONP) on the expression of pro-inflammatory proteins in murine macrophages RAW 264.7, activated with lipopolysaccharide (LPS). Using the immunodetection technique the expression of cyclooxygenase 2 (COX-2), prostaglandin E2 synthase (cPGES), prostaglandin F2α receptor (FP receptor) and nuclear factor Nrf2 was determined. Statistically the highest expression of COX-2, cPGES, and FP receptor was observed in LPS-activated macrophages. RAW 264.7 cells supplementation with ZnONP 100 nmol and 500 nmol and LPS activation resulted in repression of COX-2 and cPGES, and an increased expression of Nrf2 protein when compared to control. The results suggest an anti-inflammatory effect and activation of the antioxidant system by ZnONP in RAW 264.7 macrophages. It seems appropriate to conduct further research on the molecular mechanism of action of ZnONP in eukaryotic cells.
Źródło:
Medicina Internacia Revuo; 2017, 28, 109; 262-265
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A settlement of the early Eastern Linear Pottery Culture at Moravany (Eastern Slovakia) – Preliminary report on seasons 2004 and 2006
Autorzy:
Nowak, Marek
Moskal-del Hoyo, Magdalena
Lityńska-Zając, Maria
Kalicki, Tomasz
Kozłowski, Janusz K.
Litvinyuk, Georgiy I.
Vizdal, Marian
Powiązania:
https://bibliotekanauki.pl/articles/442489.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Jagielloński. Instytut Archeologii
Tematy:
Moravany
Early Neolithic
Eastern Linear Pottery Culture
Opis:
In the seasons 2004 and 2006, interdisciplinary researches at the settlement of the early phase of Eastern Linear Pottery Culture at Moravany were continued. Archaeological excavations have limited spatial dimension compared to previous seasons, as a priority in the years 2004-2006 was the completion of the palaeoeconomic, paleoenvironmental and chronological analyses. I.a. 14 new radiocarbon dates were obtained. In conjunction with the absolute dates obtained previously and with typological evidence it gives rise to dating of the settlement for a period between about 5500 and 5300/5200 BC.
Źródło:
Recherches Archéologiques Nouvelle Serie; 2009, 1; 407-428
0137-3285
Pojawia się w:
Recherches Archéologiques Nouvelle Serie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interdisciplinary care and support of child development with Williams syndrome
Interdyscyplinarna opieka i wspomaganie rozwoju dziecka z zespołem Williamsa
Autorzy:
Nogala, Agnieszka
Kazimierska-Zając, Magdalena
Jakubowska, Luba
Trafalska, Agata
Rosińczyk, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2117645.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Wrocławski. Wydział Nauk Historycznych i Pedagogicznych. Instytut Pedagogiki. Zakład Historii Edukacji
Tematy:
zespół Williamsa
opieka nad dzieckiem
interdyscyplinarna opieka
wspomaganie rozwoju
childcare
interdisciplinary care
Williams syndrome
suport of child development
Opis:
Cel: Zespół Williamsa to rzadkie, wieloukładowe, genetycznie uwarunkowane zaburzenie, występujące jednakowo u dziewczynek, jak i u chłopców na całym świecie, niezależnie od grupy etnicznej. Celem pracy jest przedstawienie znaczenia interdyscyplinarnej opieki i wspomagania rozwoju dziecka z zespołem Williamsa. Metody: Interdyscyplinarne podejście do opieki i wspomagania rozwoju dziecka z zespołem Williamsa. Wyniki: Zespół Williamsa objawia się charakterystycznymi nieprawidłowościami fizycznymi (dysmorficzne cechy twarzy), medycznymi (schorzenia sercowo-naczyniowe), poznawczymi (umiarkowane upośledzenie umysłowe) oraz społeczno-emocjonalnymi. Dziecko powinno być pod opieką lekarzy różnych specjalności i innych specjalistów: logopedy, psychologa czy fizjoterapeuty. Wnioski: Terapia musi obejmować usprawnianie motoryki, funkcji sensorycznych, poznawczych, ćwiczenia z zakresu komunikacji interpersonalnej i zachowań społecznych. Dobra współpraca między specjalistami jest niezbędna w prawidłowym zaplanowaniu i prowadzeniu terapii.
Aim: Williams syndrome is a rare, multi-system, genetically conditioned disorder, occurring equally at girls and boys around the world regardless of the ethnic group. The aim of the work is the presentation of the meaning of interdisciplinary care and support in the development of a child with the Williams syndrome. Methods: Interdisciplinary approach to care and support of development of a child with the Williams syndrome. Results: Williams syndrome manifests itself in characteristic physical (dysmorphic facial features), medical (cardiovascular), cognitive (moderate mental retardation) and social-emotional disorders. The child should be under the care of different types of doctors and medical specialists, a speech therapist, psychologist and physiotherapist. Conclusions: Therapy must include improving motor activity, sensory and cognitive functions, exercises in interpersonal communication and social behavior. Good cooperation between specialists is essential in the proper planning and conducting of therapy.
Źródło:
Wychowanie w Rodzinie; 2018, XVIII, (2/2018); 401-414
2082-9019
Pojawia się w:
Wychowanie w Rodzinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Edible Mushrooms in Prophylaxis and Treatment of Human Diseases
Autorzy:
MUSZYNSKA, Bożena
SUŁKOWSKA-ZIAJA, Katarzyna
ŁOJEWSKI, Maciej
OPOKA, Włodzimierz
ZAJĄC, Magdalena
ROJOWSKI, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/1033825.pdf
Data publikacji:
2013
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
Basidiomycota
chitosans
ergothioneine
hypercholesterolemia
statins
Opis:
In recent years an increase in the consumption of edible mushrooms has been observed. In many countries mushrooms have been a popular delicacy, as they add flavor and texture to a meal. Mushrooms are able to accumulate both primary and secondary metabolites. Some of them may play an antioxidant role, e.g. phenolic and indole compounds, flavonoids, terpenoids, sterols, ascorbic acid, ergothioneine and carotenoids and are a source of elements, e.g. selenium. Indole compounds fulfill the role of neurotransmitters or their precursors, exhibit antioxidant, anticancer, anti-inflammatory and anti-aging actions, regulate the diurnal cycle in humans and take part in blood coagulation. Biologically and therapeutically active metabolites of fungi are used to treat such serious diseases as cardiovascular diseases, diabetes, atherosclerosis and cancer. The intake of mushrooms clearly has a cholesterol-lowering effect or hypocholesterolemic effect by different mechanisms such as decreasing VLDL, improving lipid metabolism, inhibiting of activity of HMG-CoA reductase, and consequently preventing the development of atherosclerosis. The antioxidant and anti-inflammatory compounds occurring in mushrooms also may contribute to reduce the atherosclerosis risk.
Źródło:
Medicina Internacia Revuo; 2013, 25, 101; 170-183
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimizing the load for peak power and peak velocity development during resisted sprinting
Autorzy:
Matusiński, Aleksander
Gołaś, Artur
Zając, Adam
Nitychoruk, Magdalena
Maszczyk, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1933035.pdf
Data publikacji:
2021-06-30
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
developing strength
muscle power
sprint training
sprinting speed
Opis:
Introduction: Resistance towing is perhaps the most specific form of developing strength and power in muscles involved directly during the start, acceleration and at maximum speed. Resisted sprint training may involve towing a sled which provides an overload through the friction between the sled and ground surface or a modern advanced training device which uses drag technology to provide fully controlled resistance during the movement, such as the 1080 Sprint. The main objective of the study was to evaluate the optimal loading for the development of power in the engine assisted drag technology system SPRINT 1080. Material and methods: We evaluated the changes in running velocity and the generated force and power during resisted sprints over 30m with a load of 1, 3, 6, 9, 12 and 15 kg. Seven male sprinters with national and international experience participated in the study. Their average age, body mass and body height were 22.2 ± 2.4 years, 77.43 ± 4.63 kg, and 178.6 ± 3.2 cm, respectively. All athletes performed six 30 m sprints with 5 min rest intervals in between. The first sprint was performed without additional resistance, while the remaining 5 were performed in an random order with additional resistance of 3, 6, 9, 12 and 15 kg. After receiving a verbal signal, the participant started at will from a semi crouched position. During the resisted sprint trials, the time [s] and the following variables were recorded in peak values: power output [W], generated force [N], and sprinting velocity [m/s]. Results: Our results show that loading with 6 kg decreased sprinting velocity by 9.37% while the generated horizontal power increased by 31,32%. The 6 kg loading on the Sprint 1080device corresponded to 8% body mass, yet as mentioned before the baseline results were not fully free sprinting as the tested athletes reached velocities 0.5-0.6 m/s greater without the harness. Conclusion: Taking into account this fact, our results seem to confirm previous findings, that external loads between 8 and 13% may be optimal for improving power and sprinting speed at the same time.
Źródło:
Physical Activity Review; 2021, 1, 9; 128-134
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
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