title: One step beyond PSA.
mesh_terms: D006801:Humans; D008297:Male; D010865:Pilot Projects; D011467:Prostate / Q000000981:diagnostic imaging*; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000175:diagnosis*; D012720:Severity of Illness Index; D014463:Ultrasonography
chemical_list: D017430:Prostate-Specific Antigen