title: Duodenal ulceration; a gastroscopic study of the gastric mucosa and its surgical significance.
authors.forename: H
authors.initials: H
authors.lastname: FREEMAN
mesh_terms: D004381:Duodenal Ulcer; D005753:Gastric Mucosa; D005773:Gastroscopy; D006801:Humans; D009092:Mucous Membrane; D010437:Peptic Ulcer / Q000209:etiology*; D013270:Stomach