Effect of socioeconomic status on the vitamin content of milk.
D000818:Animals; D005260:Female; D006801:Humans; D008892:Milk; D008895:Milk, Human; D012923:Social Class; D014801:Vitamin A; D014812:Vitamin K; D014815:Vitamins
D014815:Vitamins; D014801:Vitamin A; D014812:Vitamin K
MILK, HUMAN; VITAMINS