Al marzooq T . j. M. Diagnostic Accuracy of Different Radiological Investigations in the Diagnosis of Perforated Duodenal Ulcer. Al-Kindy Col. Med. J [Internet]. 2012 Jun. 30 [cited 2024 Nov. 21];8(1):83-7. Available from: https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/617