Der Urologe BOctober 1999, Volume 39, Issue 5, pp 461–498 | Cite asURO-TelegrammArticleFirst Online: 02 May 2014 10 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer-Verlag 1999