title: PSA: prostate-specific antigen, persisting scientific ambiguities.
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D000075202:Contraindications; D006801:Humans; D008297:Male; D008403:Mass Screening; D011467:Prostate / Q000378:metabolism*; D017430:Prostate-Specific Antigen / Q000032:analysis* / Q000096:biosynthesis / Q000097:blood; D011471:Prostatic Neoplasms / Q000175:diagnosis*; D012016:Reference Values; D012307:Risk Factors; D012661:Semen / Q000737:chemistry
chemical_list: D014408:Biomarkers, Tumor; D017430:Prostate-Specific Antigen