title: Do consumer drug ads undercut HMO gatekeepers?
authors: H
authors: H
authors: Larkin
mesh_terms: D000329:Advertising; D004345:Drug Industry; D006279:Health Maintenance Organizations / Q000191:economics*; D010593:Pharmaceutical Services / Q000191:economics*; D010819:Physician's Role; D012017:Referral and Consultation; D014481:United States