title: [Distribution, according to sex and age, of hospital patients with gastric and duodenal ulcer. (Statistical data on 99.364 cases recorded at the Istituto Centrale di Statistica in the years 1954, 1955 and 1956].
mesh_terms: D004381:Duodenal Ulcer; D006801:Humans; D010437:Peptic Ulcer / Q000706:statistics & numerical data*
keywords: PEPTIC ULCER/statistics