| http://www.w3.org/ns/prov#value | - However, frequency of cough, phlegm production and wheezing increases with chronic exposure, and diffusion capacity of the respiratory membrane decreases, all of which is suggestive of chronic obstructive disease.When assessing fitness to dive one should keep in mind that asthma is a condition that affected subjects have to live with, and thus they should not be unnecessarily excluded from scuba d
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