Is it necessary to reduce the radioiodine dose in patients with thyroid cancer and renal failure? - Willegaignon, José; Ribeiro, Verena Pinto Brito; Sapienza, Marcelo; Ono, Carla; Watanabe, Tomoco; Buchpiguel, Carlos (Arquivos Brasileiros de Endocrinologia e Metabologia, 2010)