K. Gurunluoglu, A. Tasci, H. Gozukara Bag, M. Demircan, and A. Sigirci, “When is free air a sign of complication on abdominal plain radiography after laparotomy in pediatric patients? ”, Ann Med Res , vol. 25, no. 3, pp. 0410–0415, May 2021, Accessed: Sep. 15, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/1464