An osteopathic HMO with an edge.
D004465:Economic Competition; D006279:Health Maintenance Organizations / Q000639:trends*; D006739:Hospital Administration / Q000639:trends*; D006746:Hospital Bed Capacity, 500 and over; D006759:Hospital-Physician Joint Ventures / Q000639:trends*; D006774:Hospitals, Osteopathic; D006782:Hospitals, Special; D009825:Oklahoma