title: Out-of-hospital endotracheal intubation: Are observational data useful?
authors.forename: Henry E
authors.initials: HE
authors.lastname: Wang
authors.forename: Sandy
authors.initials: S
authors.lastname: Bogucki
mesh_terms: D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D006801:Humans; D007442:Intubation, Intratracheal; D015141:Los Angeles; D009657:North Carolina; D015588:Observer Variation; D058687:Out-of-Hospital Cardiac Arrest / Q000628:therapy*