title: Risks of online direct-to-consumer tumor markers for cancer screening.
authors.forename: Kimberly M
authors.initials: KM
authors.lastname: Lovett
authors.forename: Bryan A
authors.initials: BA
authors.lastname: Liang
authors.forename: Timothy K
authors.initials: TK
authors.lastname: Mackey
mesh_terms: D022126:Access to Information; D000329:Advertising; D014408:Biomarkers, Tumor / Q000032:analysis*; D055088:Early Detection of Cancer; D005607:Fraud; D017048:Health Care Costs; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D020407:Internet / Q000191:economics; D008389:Marketing of Health Services / Q000191:economics / Q000379:methods*; D008403:Mass Screening / Q000191:economics / Q000379:methods*; D009369:Neoplasms / Q000175:diagnosis* / Q000191:economics; D010353:Patient Education as Topic; D061214:Patient Safety; D017410:Practice Guidelines as Topic; D011237:Predictive Value of Tests; D018570:Risk Assessment; D012307:Risk Factors
chemical_list: D014408:Biomarkers, Tumor