title: Reply to Nahid Punjani, Nicholas Power, Eric Winquist's Letter to the Editor re: Yvonne Vergouwe, Ewout W. Steyerberg, Richard S. Foster, et al. Predicting Retroperitoneal Histology in Postchemotherapy Testicular Germ Cell Cancer: A Model Update and Multicentre Validation with More Than 1000 Patients. Eur Urol 2007;51:424-32.
authors.affiliation: Department of Public Health, Erasmus MC, Rotterdam, The Netherlands. Electronic address: y.vergouwe@erasmusmc.nl.
authors.forename: Yvonne
authors.initials: Y
authors.lastname: Vergouwe
authors.affiliation: Department of Public Health, Erasmus MC, Rotterdam, The Netherlands.
authors.forename: Ewout W
authors.initials: EW
authors.lastname: Steyerberg
mesh_terms: D006801:Humans; D008297:Male; D009373:Neoplasms, Germ Cell and Embryonal; D012187:Retroperitoneal Space