KLK3 and Familial prostate cancer: DeAntoni DeAntoni EP EP Age-specific reference ranges for PSA in the detection of prostate cancer Age-specific reference ranges for PSA in the detection of prostate cancer Oncology Oncology 1997 1997 11 11 475 475 82 82 485; discussion 485-6, 489 485; discussion 485-6, 489 9130271 9130271