title: Evaluating P.S.A. levels.
authors.forename: M K
authors.initials: MK
authors.lastname: Norris
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000097:blood*; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood*
chemical_list: D017430:Prostate-Specific Antigen