title: Massachusetts' HMO Blue bows out of group report card project; claims star rating system unscientific.
authors.forename: K
authors.initials: K
authors.lastname: DeMott
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans; D006279:Health Maintenance Organizations / Q000592:standards*; D007255:Information Services; D008404:Massachusetts; D017060:Patient Satisfaction