[PROPHYLACTIC VALUE OF EXERCISE IN OVERDEVELOPED SOCIETY].
D015444:Exercise; D006173:Gymnastics; D006801:Humans; D010806:Physical Education and Training; D005082:Physical Exertion
EXERTION; GYMNASTICS; PHYSICAL EDUCATION AND TRAINING
MOTIONENS PROFYLAKTISKE VAERDI I DET OVERUDVIKLEDE SAMFUND.