Gurunluoglu, Kubilay, Aytac Tasci, Harika Gozukara Bag, Mehmet Demircan, and Ahmet Sigirci. 2021. “When Is Free Air a Sign of Complication on Abdominal Plain Radiography After Laparotomy in Pediatric Patients? ”. Annals of Medical Research 25 (3): 0410-15. http://www.annalsmedres.org/index.php/aomr/article/view/1464.