title: The Roentgen Diagnosis of Ulcus Duodeni with Respect to the Local Direct Roentgen Symptoms.
authors.forename: Åke
authors.initials: Å
authors.lastname: Åkerlund
mesh_terms: D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography / Q000379:methods*