LOCAL AND SYSTEMIC STEROID THERAPY OF SEVERE PYODERMA GANGRENOSUM IN A CASE WITH ULSERATIF COLITIS - BAHAR, Kadir; ÖZDEN, Ali; YALÇIN, Selim; ÇETİNKAYA, Hülya; ŞENGÜN, Şule; SİPAHİ, Nihat; UZUNALİMOĞLU, Özden (Turkish Journal of Gastroenterology, 1993)