Physical training in normal boys in adolescence.
D000293:Adolescent; D001827:Body Height; D001835:Body Weight; D002306:Cardiac Volume; D002648:Child; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D010809:Physical Fitness; D014797:Vital Capacity