References
Sellick BA: Cricoid pressure to control regurgitation of stomach contents during induction of anaesthesia. Lancet. 1961, 2: 404-406. 10.1016/S0140-6736(61)92485-0.
Ellis DY, Harris T, Zideman D: Cricoid pressure in emergency department rapid sequence tracheal intubations: a risk-benefit analysis. Ann Emerg Med. 2007, 50 (6): 653-665. 10.1016/j.annemergmed.2007.05.006.