title: Sixth D. J. du Plessis lecture. Research in the field of gastric and duodenal ulceration.
authors.forename: H H
authors.initials: HH
authors.lastname: Lawson
mesh_terms: D000818:Animals; D004285:Dogs; D004381:Duodenal Ulcer / Q000473:pathology*; D004386:Duodenum / Q000033:anatomy & histology; D006801:Humans; D013276:Stomach Ulcer / Q000473:pathology*