Low serum testosterone is a predictor of high-grade disease in patients with prostate cancer

by George A. M. Lins de Albuquerque, Giuliano B. Guglielmetti, João Arthur B. A. Barbosa, José Pontes Jr., Arnaldo J. C. Fazoli, Maurício D. Cordeiro, Rafael F. Coelho, Paulo Afonso de Carvalho, Fábio P. Gallucci, Guilherme P. Padovani, Rubens Park, José Cury, Henrique Nonemacher, Miguel Srougi, William C. Nahas