Shokoohi, Hamid, Keith S. Boniface, Bruce M. Abell, Ali Pourmand, and Mohammad Salimian. “Ultrasound and Perforated Viscus; Dirty Fluid, Dirty Shadows, and Peritoneal Enhancement”. Archives of Academic Emergency Medicine 4, no. 2 (December 4, 2015): 101–105. Accessed July 27, 2026. https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/229.