Lactase deficiency in Orientals.
D000328:Adult; D044466:Asian People; D002681:China; D005696:Galactosidases / Q000032:analysis; D006801:Humans; D007421:Intestine, Small / Q000201:enzymology; D007564:Japan; D007723:Korea; D007787:Lactose Intolerance / Q000453:epidemiology*
D005696:Galactosidases