00315pam a2200121 a 4500020002000000041000500020082001700025100001900042245005200061250001400113260005700127300000900184  a9781451144918c  h  a616.025bWAL  aWalls Ron M. .  aEmergency Airway Management hTextual Documents  a4th ed. .  bWolters Kluwer /Lippinocott Williams & Wilkinsc2012  a447.