[Epidemiology of some non-infectious gastroenterologic diseases].
D000368:Aged; D001064:Appendicitis / Q000209:etiology; D002769:Cholelithiasis / Q000209:etiology; D004812:Epidemiologic Methods; D005260:Female; D005767:Gastrointestinal Diseases / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D005859:Germany, East; D006801:Humans; D008297:Male; D008875:Middle Aged
Zur Epidemiologie einiger nicht-infektiöser gastroenterologischer Erkrankungen.