Studies on human lactation. II. Effect of socio-economic status on the vitamin content of human milk.
D001942:Breast Feeding; D005260:Female; D006801:Humans; D007774:Lactation; D008895:Milk, Human; D012923:Social Class; D014801:Vitamin A; D014815:Vitamins / Q000032:analysis*
D014815:Vitamins; D014801:Vitamin A
MILK, HUMAN; VITAMINS/determination