title: Editorial comment: factor that influence serum prostate-specific antigen levels in terms of maintaining quality within a PSA screening system.
authors.forename: Kazuto
authors.initials: K
authors.lastname: Ito
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood; D001706:Biopsy; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D011379:Prognosis; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood* / Q000473:pathology; D012621:Seasons; D014887:Weather
chemical_list: D014408:Biomarkers, Tumor; D017430:Prostate-Specific Antigen