title: Preliminary experience with tumor markers.
authors.forename: J A
authors.initials: JA
authors.lastname: Ryan
mesh_terms: D000951:Antigens, Neoplasm / Q000097:blood; D014408:Biomarkers, Tumor / Q000032:analysis*; D006801:Humans; D007352:Insurance, Life; D009369:Neoplasms / Q000175:diagnosis*; D014481:United States
chemical_list: D000951:Antigens, Neoplasm; D014408:Biomarkers, Tumor