[Body functional potentials of 12-year-old boys with varying levels of biological development].
D002320:Cardiovascular Physiological Phenomena; D002648:Child; D006128:Growth; D006801:Humans; D008297:Male; D005082:Physical Exertion; D010809:Physical Fitness; D012119:Respiration
Funktsional'nye vozmozhnosti organizma mal'chikov 12 let s razlichnym urovnem biologicheskogo razvitiia.