HMOS and PPOS: strategy for success through pharmacy networks.
D006279:Health Maintenance Organizations / Q000458:organization & administration*; D007348:Insurance, Health / Q000458:organization & administration*; D007356:Insurance, Pharmaceutical Services; D009935:Organizational Affiliation; D010594:Pharmacies / Q000458:organization & administration*; D011243:Preferred Provider Organizations / Q000458:organization & administration*; D014481:United States