BOUSVAROS, G A The mumur of pulmonary regurgitation which is not associated with pulmonary hypertension. [electronic resource] - Lancet (London, England) Oct 1961 - 962-4 p. digital Publication Type: Journal Article ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(61)90798-x doi Subjects--Topical Terms: DiseaseHeart SoundsHeart Valve DiseasesHumansHypertension, PulmonaryPulmonary ValvePulmonary Valve Insufficiency