title: Tumor markers in older patients with early breast cancer: why are we still doing useless tests?
authors.affiliation: Case Western Reserve University, Cleveland, OH.
authors.forename: Cynthia
authors.initials: C
authors.lastname: Owusu
authors.affiliation: Case Western Reserve University, Cleveland, OH lyndsay.harris@case.edu.
authors.forename: Lyndsay
authors.initials: L
authors.lastname: Harris
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D001943:Breast Neoplasms / Q000097:blood* / Q000191:economics*; D005260:Female; D017048:Health Care Costs; D006801:Humans; D011159:Population Surveillance / Q000379:methods*
chemical_list: D014408:Biomarkers, Tumor