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Sandefur BJ, Liu XW, Kaji AH, Campbell RL, Driver BE, Walls RM, Carlson JN, Brown CA 3rd; National Emergency Airway Registry Investigators.Sandefur BJ, et al. Among authors: liu xw.J Emerg Med. 2021 Nov;61(5):481-488. doi: 10.1016/j.jemermed.2021.07.012. Epub 2021 Aug 31.J Emerg Med. 2021.PMID: 34479750
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