Perrin, P Screening for prostate cancer. Comparison of transrectal ultrasound, prostate specific antigen and rectal examination. [electronic resource] - British journal of urology Sep 1991 - 263-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0007-1331 Standard No.: 10.1111/j.1464-410x.1991.tb15319.x doi Subjects--Topical Terms: Antigens, Neoplasm--analysisHumansMaleMiddle AgedPhysical ExaminationPredictive Value of TestsProspective StudiesProstate--diagnostic imagingProstate-Specific AntigenProstatic Neoplasms--diagnostic imagingRectum--pathologyUltrasonography