Shah, B N A new diastolic heart sound secondary to free pulmonary regurgitation. [electronic resource] - International journal of cardiology Jan 2012 - 82-3 p. digital Publication Type: Case Reports; Letter ISSN: 1874-1754 Standard No.: 10.1016/j.ijcard.2011.10.095 doi Subjects--Topical Terms: DiastoleFemaleHeart SoundsHumansMiddle AgedPulmonary Valve Insufficiency--physiopathology