Le BV, Griffin CR, Loeb S, Carvalhal GF, Kan D, Baumann NA, and Catalona WJ.
“[-2] Proenzyme prostate specific antigen is more accurate than total and free prostate specific antigen in differentiating prostate cancer from benign disease in a prospective prostate cancer screening study.”
Journal of Urology 2010; 183: 1355.