Claro, J. de A., Aboim, J.E. de, Maríngolo, M., Andrade, E., Aguiar, W., Nogueira, M., Nardozza Júnior, A. and Srougi, M. 2001. Intracavernous injection in the treatment of erectile dysfunction after radical prostatectomy: an observational study. São Paulo Medical Journal. 119, 4 (Jul. 2001), 135–137.