Lactose intolerance in children and adolescents.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003611:Dairy Products / Q000009:adverse effects; D006801:Humans; D043322:Lactase / Q000172:deficiency* / Q000502:physiology; D007787:Lactose Intolerance / Q000150:complications / Q000178:diet therapy*
D043322:Lactase