Samsami, Majid, Javad zebarjadi bagherpour, Khosro Ayazi, Arash Mohammadi Tofigh, Behzad Nematihonar, Hamed Tahmasbi, and Seyed Mohammad Rafie. “COVID -19 and Abdominal Pain, Report of 3 Negative Laparotomies”. Journal of Practical Emergency Medicine 7, no. 1 (June 4, 2020): e28. Accessed August 14, 2026. https://journals.sbmu.ac.ir/jpem/index.php/jpem/article/view/30293.