TY - JOUR TI - A Parathyroid Carcinoma Resulting in a Marginal Ulcer AU - Çetinkaya, Z. AU - İlhan, Y.S. AU - Bülbüller, N. AU - Doğru, O. AU - Akkuş, M.A. JO - Journal of Clinical Practice and Research PY - 1998 VL - 20 SP - 169 EP - 172 DO - ER -