title: Putting free PSA into play--why and how.
authors.forename: W
authors.initials: W
authors.lastname: Check
mesh_terms: D006801:Humans; D008297:Male; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000175:diagnosis*
chemical_list: D017430:Prostate-Specific Antigen