"Diseases of intestines" . . "Infancy" . "Microorganisms Responsible for Neonatal Diarrhea" . "Diarrhea" . "RTT" . "Conditions diagnosed by stool test" . "Sanitation" . "RTTEM" . "Waterborne diseases" . "Feces" . "Intestinal infectious diseases" . "Symptoms and signs: Digestive system and abdomen" . "1670s in science" . "Microorganisms" .