title: Carriage of invalids by air.
mesh_terms: D000005:Abdomen / Q000601:surgery; D000222:Adaptation, Physiological; D000337:Aerospace Medicine; D000531:Altitude; D003665:Decompression Sickness; D005260:Female; D006331:Heart Diseases; D006402:Hematologic Diseases; D006801:Humans; D008659:Metabolic Diseases; D011182:Postoperative Care; D011247:Pregnancy; D011312:Pressure; D012140:Respiratory Tract Diseases; D014187:Transportation of Patients