title: Endoscopic gastritis and duodenitis.
authors.forename: Z
authors.initials: Z
authors.lastname: Maratka
mesh_terms: D004382:Duodenitis / Q000145:classification / Q000175:diagnosis*; D016099:Endoscopy, Gastrointestinal; D005756:Gastritis / Q000145:classification / Q000175:diagnosis*; D006801:Humans