The early development of aviation medicine in the United States.
D000337:Aerospace Medicine / Q000266:history*; D001273:Atmosphere Exposure Chambers; D006309:Hearing; D006439:Hemodynamics; D049673:History, 20th Century; D006801:Humans; D009460:Neurologic Examination; D010808:Physical Examination / Q000379:methods; D010809:Physical Fitness; D011581:Psychological Tests; D014481:United States; D014785:Vision, Ocular