title: Antritis and duodenitis in duodenal ulcer and non-ulcer dyspepsia.
mesh_terms: D004381:Duodenal Ulcer / Q000473:pathology*; D004386:Duodenum / Q000473:pathology; D004415:Dyspepsia / Q000473:pathology*; D004724:Endoscopy; D006801:Humans; D008443:Maxillary Sinus / Q000473:pathology