title: Beware the hollow middle.
authors.forename: W B
authors.initials: WB
authors.lastname: Hailey
mesh_terms: D003142:Communication; D003812:Dentist-Patient Relations; D004465:Economic Competition; D006801:Humans; D008389:Marketing of Health Services / Q000458:organization & administration*; D011215:Practice Management, Dental / Q000458:organization & administration*