%0 Journal Article %T External Validation of an Artificial Neural Network and Two Nomograms for Prostate Cancer Detection %A Thorsten H. Ecke %A Steffen Hallmann %A Stefan Koch %A Jü %A rgen Ruttloff %J ISRN Urology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/643181 %U http://dx.doi.org/10.5402/2012/643181