Lactose intolerance in young children and their parents.
D000328:Adult; D000349:Africa; D000367:Age Factors; D000818:Animals; D001208:Asia; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D004032:Diet; D005006:Ethnicity; D005260:Female; D006801:Humans; D007787:Lactose Intolerance / Q000235:genetics*; D007789:Lactose Tolerance Test; D008297:Male; D008892:Milk; D012737:Sex Factors; D013020:South America; D014481:United States