1. Physiological hazards of flight at high altitude
Andrew A Pilmanis, PhD, William J Sears, PhD 
The Lancet 
Volume 362, Pages s16-s17 (December 2003)
DOI: /S (03)
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2. Figure High altitude low opening (HALO) parachute jump. US Air Force
The Lancet  , s16-s17DOI: ( /S (03) )
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3. The Lancet 2003 362, s16-s17DOI: (10.1016/S0140-6736(03)15059-3)
Copyright © 2003 Elsevier Ltd Terms and Conditions