Primary adult lactose intolerance and the milking habit: a problem in biologic and cultural interrelations. II. A culture historical hypothesis.
D000328:Adult; D000349:Africa; D000818:Animals; D001208:Asia; D003469:Culture; D003612:Dairying; D004327:Drinking Behavior; D005006:Ethnicity; D006801:Humans; D007194:India; D007787:Lactose Intolerance / Q000453:epidemiology* / Q000235:genetics; D008892:Milk; D012641:Selection, Genetic; D014481:United States