Gülten KIYAK, et al. “Hemoperitoneum Secondary to Spontaneous Rupture of Metastatic Gastric Leiomyosarcoma of the Liver: Report of a Case”. Turkish Journal of Gastroenterology, vol. 17, no. 2, July 2019, pp. 120-2, https://tjg.avesjournals.com/index.php/tjg/article/view/2033.