The implications of lactose intolerance in children.
D000349:Africa; D000367:Age Factors; D000818:Animals; D001208:Asia; D001315:Australia; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D005060:Europe; D006801:Humans; D007223:Infant; D007787:Lactose Intolerance / Q000453:epidemiology; D008892:Milk; D044469:Racial Groups; D013020:South America; D014481:United States