title: Preliminary results of long-term physical training of adolescent boys with respect to body composition, maximal oxygen uptake, and lung volume.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001823:Body Composition; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010806:Physical Education and Training; D012737:Sex Factors; D013147:Spirometry