title: Gastrointestinal: a rare cause of anal pain: gastric heterotopia of the rectum.
authors.affiliation: Department of Internal Medicine, University Hospital of Patras, Patras, Greece.
authors.forename: S F
authors.initials: SF
authors.lastname: Assimakopoulos
authors.forename: H P
authors.initials: HP
authors.lastname: Kourea
authors.forename: C A
authors.initials: CA
authors.lastname: Gogos
authors.forename: K C
authors.initials: KC
authors.lastname: Thomopoulos
mesh_terms: D001004:Anus Diseases / Q000209:etiology; D002828:Choristoma / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D003113:Colonoscopy; D004210:Dissection / Q000379:methods; D005753:Gastric Mucosa; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology*; D012002:Rectal Diseases / Q000150:complications* / Q000175:diagnosis / Q000601:surgery