A racial difference in incidence of lactase deficiency. A survey of milk intolerance and lactase deficiency in healthy adult males.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000818:Animals; D044383:Black People; D005690:Galactose / Q000378:metabolism; D005947:Glucose / Q000378:metabolism; D006801:Humans; D007787:Lactose Intolerance / Q000453:epidemiology*; D008297:Male; D008396:Maryland; D008892:Milk; D014454:Uganda; D044465:White People
D005947:Glucose; D005690:Galactose