title: Directory assistance for telephone care: a toll-free way to improve the quality of communication between patients, providers, and investigators.
authors.forename: J H
authors.initials: JH
authors.lastname: Wasson
mesh_terms: D003695:Delivery of Health Care; D006801:Humans; D010817:Physician-Patient Relations; D019114:Remote Consultation; D013689:Telephone; D014481:United States