title: Calif. groups invest in HMO quality.
authors.forename: L
authors.initials: L
authors.lastname: Kertesz
mesh_terms: D002140:California; D006264:Health Benefit Plans, Employee / Q000191:economics*; D006265:Health Care Coalitions; D006279:Health Maintenance Organizations / Q000191:economics / Q000592:standards*; D017060:Patient Satisfaction; D011787:Quality of Health Care / Q000191:economics*