title: HMO's senior enrollees hear a familiar voice.
authors.forename: R
authors.initials: R
authors.lastname: Weiss
mesh_terms: D000368:Aged; D002140:California; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006801:Humans; D017060:Patient Satisfaction; D011369:Professional-Patient Relations; D013689:Telephone