title: Marketing to managed care groups challenges hospitals.
authors: D E
authors: DE
authors: Johnson
mesh_terms: D003284:Contract Services / Q000458:organization & administration; D003625:Data Collection; D005377:Financial Management, Hospital / Q000639:trends*; D006279:Health Maintenance Organizations / Q000458:organization & administration* / Q000706:statistics & numerical data; D008389:Marketing of Health Services; D011243:Preferred Provider Organizations / Q000458:organization & administration* / Q000706:statistics & numerical data; D014481:United States