Entrance to and exit from air evacuation aircraft for ambulatory patients.
D000337:Aerospace Medicine; D000401:Aircraft; D001359:Aviation / Q000009:adverse effects* / Q000473:pathology* / Q000502:physiology*; D006801:Humans; D014186:Transportation
AVIATION AND AVIATORS/physiologic and pathologic effects; AVIATION AND AVIATORS/transportation of wounded and sick