Competition in California: the new wave from the West.
D002140:California; D003695:Delivery of Health Care / Q000191:economics*; D004465:Economic Competition / Q000639:trends*; D004467:Economics / Q000639:trends*; D006279:Health Maintenance Organizations / Q000191:economics; D007348:Insurance, Health / Q000639:trends; D011243:Preferred Provider Organizations / Q000191:economics