FRIMANN-DAHL, J The acute abdomen. I. The value and limitations of radiology in acute abdominal conditions. [electronic resource] - The British journal of radiology Nov 1955 - 581-6 p. digital Publication Type: Journal Article ISSN: 0007-1285 Standard No.: 10.1259/0007-1285-28-335-581 doi Subjects--Topical Terms: AbdomenAbdomen, Acute--diagnosisAbdominal CavityDiagnosis, DifferentialGastrointestinal DiseasesHumansIntestinal Obstruction--diagnosis