title: Primum non nocere: why EMS should be timely, thorough & cautious in implementing new approaches to patient care.
authors.affiliation: University of Texas Southwestern Medical Center, USA.
authors.forename: Paul E
authors.initials: PE
authors.lastname: Pepe
authors.forename: Sandra M
authors.initials: SM
authors.lastname: Schneider
mesh_terms: D003695:Delivery of Health Care / Q000592:standards* / Q000639:trends; D004632:Emergency Medical Services / Q000592:standards* / Q000639:trends; D006801:Humans