Global variation in the incidence and outcome of emergency medical services witnessed out-of-hospital cardiac arrest: A systematic review and meta-analysis.
Resuscitation. 2022 Jun;175:120-132. doi: 10.1016/j.resuscitation.2022.03.026. Epub 2022 Mar 30.
Resuscitation. 2022.
PMID: 35367317
Review.