Letter: Pulsus paradoxus in asthma.
D001249:Asthma / Q000503:physiopathology* / Q000628:therapy; D001808:Blood Vessels / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000098:blood supply / Q000503:physiopathology*; D011175:Positive-Pressure Respiration; D011674:Pulse