Lactose malabsorption and milk rejection in Negro children.
D001741:Black or African American; D000367:Age Factors; D000818:Animals; D044383:Black People; D002648:Child; D006801:Humans; D007787:Lactose Intolerance / Q000453:epidemiology*; D008892:Milk; D012959:Socioeconomic Factors; D044465:White People