title: Oesophagogastric ulcer in swine and vitamin U. I. Relative incidence of the syndrome in Hungary.
mesh_terms: D000818:Animals; D001361:Avitaminosis; D003430:Cross-Sectional Studies; D004935:Esophageal Diseases / Q000453:epidemiology / Q000662:veterinary; D004943:Esophagogastric Junction; D006814:Hungary; D013276:Stomach Ulcer / Q000453:epidemiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014814:Vitamin U / Q000172:deficiency*
chemical_list: D014814:Vitamin U