Volpicelli G. Usefulness of emergency ultrasound in nontraumatic cardiac arrest. Am J Emerg Med. 2011;29(2):216-223. doi:10.1016/j.ajem.2009.03.018
Volpicelli G. Usefulness of emergency ultrasound in nontraumatic cardiac arrest. Am J Emerg Med. 2011;29(2):216-223. doi:10.1016/j.ajem.2009.03.018