title: Gut feeling.
authors.forename: O
authors.initials: O
authors.lastname: Elkayam
authors.forename: M
authors.initials: M
authors.lastname: Yaron
authors.forename: D
authors.initials: D
authors.lastname: Caspi
mesh_terms: D001062:Appendectomy; D001064:Appendicitis / Q000150:complications*; D001168:Arthritis / Q000209:etiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008875:Middle Aged