ÖZDEN, Ali, Ömer DÖNDERİCİ, Mustafa SAMUR, Şükrü DUMLU, Ali Reşit BEYLER, and Özden UZUNALİMOĞLU. 1993. “EVALUATION OF 419 PEPTIC ULCER PATIENTS REFERRED WITH BLEEDING AND NON BLEEDING”. Turkish Journal of Gastroenterology 4 (1):93-96. https://www.turkjgastroenterol.org/index.php/tjg/article/view/250.