title: [Relationship of blood calcium level and manifestations of clinical symptoms of perforated gastroduodenal ulcer].
authors.forename: D I
authors.initials: DI
authors.lastname: Mitsura
mesh_terms: D002118:Calcium / Q000097:blood*; D004381:Duodenal Ulcer / Q000097:blood / Q000150:complications*; D006801:Humans; D008954:Models, Biological; D010439:Peptic Ulcer Perforation / Q000097:blood / Q000175:diagnosis*; D011379:Prognosis; D013276:Stomach Ulcer / Q000097:blood / Q000150:complications*
chemical_list: D002118:Calcium