title: New 'calibrator' should improve prostate cancer testing.
mesh_terms: D000328:Adult; D002138:Calibration; D006801:Humans; D007202:Indicators and Reagents; D008297:Male; D017430:Prostate-Specific Antigen / Q000032:analysis / Q000097:blood*; D011471:Prostatic Neoplasms / Q000175:diagnosis*; D011485:Protein Binding; D011933:Reagent Kits, Diagnostic / Q000592:standards; D012661:Semen / Q000737:chemistry
chemical_list: D007202:Indicators and Reagents; D011933:Reagent Kits, Diagnostic; D017430:Prostate-Specific Antigen