Gadban, Basim. “Comparative Study Between Ultrasound Findings and Intra-Operative Findings in Non-Traumatic Abdominal Pain:”. Journal of the Faculty of Medicine Baghdad 53, no. 4 (January 2, 2012): 377-380. Accessed December 2, 2019. http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/796.