Shahrokh, S., and M. R. Zali. “An Unusual Cause of Upper Gastrointestinal Bleeding”. Gastroenterology and Hepatology from Bed to Bench, vol. 7, no. 3, July 2014, pp. Gastroenterol Hepatol Bed Bench 2014;7(3):186-188, doi:10.22037/ghfbb.v7i3.625.