title: The intercomponent vibrations of the second sound in chronic pulmonary hypertension.
mesh_terms: D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D002648:Child; D002908:Chronic Disease; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D011665:Pulmonary Valve Insufficiency / Q000503:physiopathology