title: A word of caution! (Is there a doctor on board?).
authors.affiliation: Medical Assessment Section, Defence and Civil Institute of Environmental Medicine, Toronto, Ont, Canada. Canadagary.gray@dciem.dnd.ca
authors.forename: Gary
authors.initials: G
authors.lastname: Gray
mesh_terms: D000337:Aerospace Medicine; D015716:Electrocardiography, Ambulatory; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications*; D012449:Safety; D014195:Travel