A prospective randomized trial comparing patent blue and methylene blue for the detection of the sentinel lymph node in breast cancer patients

by Régis Resende Paulinelli, Ruffo Freitas-Junior, Rosemar Macedo de Souza Rahal, Luis Fernando de Pádua Oliveira, Maria Helena Tavares Vilela, Marise Amaral Rebouças Moreira, Katyane Larissa Alves, Marina Berquó Peleja, Tatiane Coelho Capel de Resende