Bangma, C H The free-to-total serum prostate specific antigen ratio for staging prostate carcinoma. [electronic resource] - The Journal of urology Feb 1997 - 544-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-5347 Subjects--Topical Terms: HumansMaleMultivariate AnalysisNeoplasm StagingProstate-Specific Antigen--bloodProstatic Neoplasms--blood