Head-elevated laryngoscopy position: improving laryngeal exposure during laryngoscopy by increasing head elevation.

Levitan RM, Mechem CC, Ochroch EA, Shofer FS, Hollander JE. Head-elevated laryngoscopy position: improving laryngeal exposure during laryngoscopy by increasing head elevation. Ann Emerg Med. 2003 Mar; 41(3):322-30.

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