Selective contracting in California.
D002140:California; D003284:Contract Services / Q000191:economics*; D003363:Cost Control / Q000639:trends; D005376:Financial Management / Q000191:economics*; D005377:Financial Management, Hospital; D006291:Health Policy / Q000191:economics*; D006801:Humans; D008484:Medicaid / Q000458:organization & administration*