title: [Is free PSA useful for more than publishing articles?].
authors.forename: L
authors.initials: L
authors.lastname: Martínez-Piñeiro
mesh_terms: D006801:Humans; D008297:Male; D010506:Periodicals as Topic / Q000706:statistics & numerical data*; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood / Q000175:diagnosis*; D011643:Publishing / Q000706:statistics & numerical data*
chemical_list: D017430:Prostate-Specific Antigen