title: [Free/total PSA ratio].
authors.affiliation: Department of Urology, Sapporo Kosei General Hospital.
authors.forename: T
authors.initials: T
authors.lastname: Demura
mesh_terms: D014408:Biomarkers, Tumor / Q000032:analysis*; D006801:Humans; D008297:Male; D017430:Prostate-Specific Antigen / Q000032:analysis*; D011471:Prostatic Neoplasms / Q000175:diagnosis*
chemical_list: D014408:Biomarkers, Tumor; D017430:Prostate-Specific Antigen