Stattin Stattin P P Vickers Vickers AJ AJ Sjoberg Sjoberg DD DD Johansson Johansson R R Granfors Granfors T T Johansson Johansson M M Improving the specificity of screening for lethal prostate cancer using prostate-specific antigen and a panel of kallikrein markers: a nested case-control study Improving the specificity of screening for lethal prostate cancer using prostate-specific antigen and a panel of kallikrein markers: a nested case-control study Eur Urol Eur Urol 2015 2015 68 68 207 207 13 13 10.1016/j.eururo.2015.01.009 10.1016/j.eururo.2015.01.009 25682340 25682340. This evidence concerns the gene KLK4 and Familial prostate cancer.