title: The quiet times.
authors.affiliation: Air Methods Corporation atStanford University Medical Center Life Flight program, USA. macevac@yahoo.com
authors.forename: Ed
authors.initials: E
authors.lastname: MacDonald
mesh_terms: D017732:Air Ambulances / Q000458:organization & administration / Q000592:standards*; D006801:Humans; D012449:Safety / Q000592:standards