Effects of vitamin B12 supplementation on physical fitness and growth of young boys.
D045728:Corrinoids; D019587:Dietary Supplements; D006128:Growth / Q000187:drug effects*; D006397:Hematinics; D006801:Humans; D008297:Male; D010808:Physical Examination; D010809:Physical Fitness; D014805:Vitamin B 12 / Q000494:pharmacology*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
GROWTH/effect of drugs on; PHYSICAL EFFICIENCY; VITAMIN B12/effects