Brandão, L. G.; Cavalheiro, B. G.; Junqueira, C. R. Prognostic Influence of Clinical and Pathological Factors in Medullary Thyroid Carcinoma: A Study of 53 Cases . Clinics 2009, 64 (9), 849-856. https://doi.org/10.1590/S1807-59322009000900005.