title: PSA: the plot thickens.
mesh_terms: D000367:Age Factors; D001706:Biopsy; D005189:False Positive Reactions; D006801:Humans; D008297:Male; D008875:Middle Aged; D011467:Prostate / Q000473:pathology; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood / Q000175:diagnosis* / Q000473:pathology; D012016:Reference Values
chemical_list: D017430:Prostate-Specific Antigen