Adult lactose tolerance.
D000328:Adult; D000367:Age Factors; D002648:Child; D003611:Dairy Products / Q000032:analysis; D003612:Dairying / Q000266:history; D005006:Ethnicity; D005247:Feeding Behavior; D005260:Female; D049690:History, Ancient; D049711:History, Modern 1601-; D006801:Humans; D007223:Infant; D007785:Lactose / Q000378:metabolism; D007787:Lactose Intolerance / Q000209:etiology; D008297:Male; D008895:Milk, Human / Q000032:analysis; D009749:Nutrition Surveys; D011247:Pregnancy; D044469:Racial Groups
D007785:Lactose