The physician's role in the costs of long-term oxygen therapy.
D003365:Costs and Cost Analysis; D006300:Health Services Misuse / Q000191:economics; D008134:Long-Term Care / Q000191:economics*; D006278:Medicare; D010102:Oxygen Inhalation Therapy / Q000191:economics*; D010349:Patient Compliance; D010819:Physician's Role; D012380:Role