BAHAR, Kadir, Ali ÖZDEN, Selim YALÇIN, Hülya ÇETİNKAYA, Şule ŞENGÜN, Nihat SİPAHİ, and Özden UZUNALİMOĞLU. 1993. “LOCAL AND SYSTEMIC STEROID THERAPY OF SEVERE PYODERMA GANGRENOSUM IN A CASE WITH ULSERATIF COLITIS”. Turkish Journal of Gastroenterology 4 (1):226-28. https://www.turkjgastroenterol.org/index.php/tjg/article/view/221.