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 Chapter XX
 
 Exposure to high and low air pressure and changes in air pressure - W94
 
 [See pages 1013-1017 for fourth-character subdivisions]
 
Includes:
high air pressure from rapid descent in water reduction in 
atmospheric pressure while surfacing from:
deep-water diving
underground
residence or prolonged visit at high altitude as the cause of:
anoxia
barodontalgia
barotitis
hypoxia
mountain sickness
sudden change in air pressure in aircraft during ascent or descent 
 
 Related drugs:
 
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