Carriage of invalids by air.
D000399:Air Pressure; D000401:Aircraft; D000531:Altitude; D002940:Circadian Rhythm; D004487:Edema / Q000209:etiology; D005260:Female; D006801:Humans; D007114:Immunization; D009041:Motion Sickness; D011187:Posture; D011247:Pregnancy; D014187:Transportation of Patients