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Subjects
- Respiration, Artificial -- instrumentation[remove]3
- Atmospheric Pressure1
- Competitive Bidding1
- Continuous Positive Airway Pressure -- economics1
- Continuous Positive Airway Pressure -- instrumentation1
- Durable Medical Equipment -- economics1
- Health Services Accessibility -- economics1
- Humans1
- Insurance Coverage -- economics1
- Insurance, Health, Reimbursement1
- Intermittent Positive-Pressure Breathing1
- Masks1
- Medicare -- economics1
- Military Medicine1
- Oxygen -- administration & dosage1
- Respiration, Artificial1
- Respiration, Artificial -- economics1
- United States1
- United States. Department of Health and Human Services.1