Letter: Lactose tolerance in children.
D000328:Adult; D000367:Age Factors; D000818:Animals; D002675:Child, Preschool; D005006:Ethnicity; D005387:Finland; D006801:Humans; D007194:India; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007787:Lactose Intolerance / Q000453:epidemiology*; D008892:Milk; D013785:Thailand