TY - JOUR T1 - Prognostic influence of clinical and pathological factors in medullary thyroid carcinoma: a study of 53 cases JO - Clinics A1 - Brandão, Lenine G. A1 - Cavalheiro, Beatriz G. A1 - Junqueira, Consuelo R. SN - 1807-5932 UL - 10.1590/S1807-59322009000900005 VL - 64 Y1 - 2009 PB - Brasil ER -