Liaqat, R. et al. 2022. Diagnostic Accuracy of Ultrasound for Small Bowel Obstruction in Paediatric Population Undergoing Laparotomy Keeping Surgical Findings as the Gold Standard. Pakistan Armed Forces Medical Journal. 72, 4 (Sep. 2022), 1351–54. DOI:https://doi.org/10.51253/pafmj.v72i4.4460.