Submaximal work performance of native and migrant preadolescent boys at high altitude.
D000222:Adaptation, Physiological; D000293:Adolescent; D000531:Altitude; D001838:Bolivia; D002320:Cardiovascular Physiological Phenomena; D002648:Child; D005060:Europe / Q000208:ethnology; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012143:Respiratory Physiological Phenomena