Ambulatory surgery policies grow.
D000553:Ambulatory Care / Q000191:economics*; D002140:California; D004219:District of Columbia; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D007349:Insurance, Health, Reimbursement / Q000331:legislation & jurisprudence*; D011366:Professional Review Organizations; D013514:Surgical Procedures, Operative / Q000191:economics*