1.
Butt AM, Chaudhry AK, Mughal MA, . TN, Zafar JB, . KR. FREQUENCY OF DUODENAL ULCER PERFORATION WITH RADIOLOGICAL EVIDENCE OF PNEUMOPERITONEUM. Pak Armed Forces Med J [Internet]. 2011 Jun. 30 [cited 2025 Jul. 8];61(2):211-3. Available from: https://www.pafmj.org/PAFMJ/article/view/284