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Subjects
- Humans2
- Risk Assessment[remove]2
- United States2
- Airway Obstruction1
- Anesthesiology -- instrumentation1
- Anesthesiology -- methods1
- Emergency Medical Services -- methods1
- Evidence-Based Practice -- organization & administration1
- Health Policy1
- Health Status1
- Hypoxia -- prevention & control1
- Intubation, Intratracheal -- instrumentation1
- Intubation, Intratracheal -- methods1
- Laryngeal Masks1
- Outcome Assessment (Health Care)1
- Patient Care Management -- methods1
- Positive-Pressure Respiration -- instrumentation1
- Positive-Pressure Respiration -- methods1
- Research -- organization & administration1
- Risk Factors1