title: Nurse call centers extend their reach.
authors.affiliation: Optum, UnitedHealth Group, USA.
authors.forename: James H
authors.initials: JH
authors.lastname: Otis
authors.forename: Mark D
authors.initials: MD
authors.lastname: Attridge
authors.forename: Robert G
authors.initials: RG
authors.lastname: Harmon
mesh_terms: D006801:Humans; D007253:Information Centers; D008329:Managed Care Programs / Q000458:organization & administration*; D009723:Nurse-Patient Relations; D017060:Patient Satisfaction; D013689:Telephone; D014218:Triage; D014481:United States