Zorn KC, Capitanio U, Jeldres C, Arjane P, Perrotte P, Shariat SF, Lee DI, Shalhav AL, Zagaja GP, Shikanov SA, Gofrit ON, Thong AE, Albala DM, Sun L, Karakiewicz PI. Multi-institutional external validation of seminal vesicle invasion nomograms: head-to-head comparison of Gallina nomogram versus 2007 Partin tables. Int J Radiat Oncol Biol Phys. 2009 Apr 01; 73(5):1461-7.