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Four classes of physical fitness in German children and adolescents: only differences in performance or at-risk groups?
Lämmle, Lena, Ziegler, Matthias, Seidel, Ilka, Worth, Annette, Bös, KlausVolume:
58
Language:
english
Journal:
International Journal of Public Health
DOI:
10.1007/s00038-012-0427-0
Date:
April, 2013
File:
PDF, 262 KB
english, 2013