[Non-uniformity of ventilation].
D000403:Airway Resistance; D002908:Chronic Disease; D006333:Heart Failure / Q000150:complications / Q000503:physiopathology*; D006371:Helium; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000503:physiopathology*; D008171:Lung Diseases / Q000097:blood / Q000209:etiology / Q000503:physiopathology*; D012119:Respiration; D012129:Respiratory Function Tests / Q000295:instrumentation; D012133:Respiratory Paralysis / Q000503:physiopathology
D006371:Helium
Neravnomernost' ventiliatsii