title: Heartland HMO.
authors.forename: E H
authors.initials: EH
authors.lastname: Bell
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans; D006279:Health Maintenance Organizations / Q000191:economics; D006801:Humans; D007615:Kansas; D011362:Professional Corporations / Q000191:economics*; D011364:Professional Practice / Q000191:economics*