[Urinary excretion of vitamins in schoolchildren under various loads in swimming].
D000293:Adolescent; D001205:Ascorbic Acid / Q000652:urine; D002648:Child; D006801:Humans; D008297:Male; D009536:Niacinamide / Q000652:urine; D005082:Physical Exertion; D011736:Pyridoxine / Q000652:urine; D012572:School Health Services; D013550:Swimming; D014815:Vitamins / Q000378:metabolism / Q000652:urine*
D014815:Vitamins; D009536:Niacinamide; D011736:Pyridoxine; D001205:Ascorbic Acid
Ekskretsiia vitaminov s mochoĭ u shkol'nikov pri razlichnykh nagruzkakh po plavaniiu.