PTEN and prostate cancer: Ahearn Ahearn TU TU Pettersson Pettersson A A Ebot Ebot EM EM A prospective investigation of PTEN loss and ERG expression in lethal prostate cancer A prospective investigation of PTEN loss and ERG expression in lethal prostate cancer J Natl Cancer Inst J Natl Cancer Inst 2016 2016 108 108 2 2 djv346 djv346 supplied-pmid 26615022?