[Effect of vitamin supplementation on the vitamin C allowance of preschool children].
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D001205:Ascorbic Acid / Q000652:urine*; D002675:Child, Preschool; D006128:Growth; D006801:Humans; D012621:Seasons; D013997:Time Factors; D014815:Vitamins / Q000008:administration & dosage*
D014815:Vitamins; D001205:Ascorbic Acid
Vliianie dopolnitel'noĭ vitaminizatsii na obespechennost' deteĭ doshkol'nogo vozrasta vitaminom C.