title: A preliminary study on diarrhoeal disease in preschool children.
mesh_terms: D002675:Child, Preschool; D003967:Diarrhea / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010154:Pakistan; D012621:Seasons