title: Above all, do no harm.
authors.affiliation: PHI Air Medical , Santa Fe, New Mexico, USA. macevac@yahoo.com
authors.forename: Ed
authors.initials: E
authors.lastname: MacDonald
mesh_terms: D000060:Accidents, Aviation / Q000517:prevention & control*; D017732:Air Ambulances / Q000592:standards*; D004634:Emergency Medical Technicians; D006801:Humans; D040242:Risk Reduction Behavior; D017751:Safety Management