Artificial airways. Resuscitation guidelines you can follow.
Mathews
P J
PJ
Mathews
L M
LM
Mitchell
R R
RR
D000572:American Heart Association; D016887:Cardiopulmonary Resuscitation / Q000592:standards*; D002985:Clinical Protocols / Q000592:standards*; D006801:Humans; D007442:Intubation, Intratracheal / Q000592:standards*