GÜRBÜZ, A. K., F.M. GIARDIELLO, B. GÜRBÜZ, L. SALAS, N.B. ROSENSHEIN, and M. DONOWITZ. 1993. “Premarin Induced Ischemic Colitis”. Turkish Journal of Gastroenterology 4 (4):699-702. https://turkjgastroenterol.org/index.php/tjg/article/view/348.