Medically necessary: who should decide?
Roger
R
Collier
D002170:Canada; D003657:Decision Making; D003695:Delivery of Health Care / Q000458:organization & administration*; D015276:Health Care Rationing; D006801:Humans; D009313:National Health Programs / Q000458:organization & administration*; D020380:Needs Assessment; D010818:Practice Patterns, Physicians'