An easy, fast and costless way to locate a double J during renal laparoscopic procedure. - Fugita, Oscar Eduardo Hidetoshi [UNESP]; Kawano, Paulo Roberto [UNESP]; Amaro, João Luiz [UNESP]; Otsuka, R. A. P.; Travassos, M.; Leonardi, E. P.; Yamamoto, Hamilto Akihissa [UNESP]; Trindade, J. C.; Jesus, Carlos Marcio Nobrega de [UNESP] (Mary Ann Liebert, Inc., 2006)