Dyspnea in cyanotic congenital heart disease treated with air at 70 psi.
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D000293:Adolescent; D001642:Bicycling; D004417:Dyspnea / Q000209:etiology*; D006330:Heart Defects, Congenital / Q000150:complications*; D006801:Humans; D008297:Male; D013177:Sports