De Souza, A M [Echocardiographic diagnosis of accessory leaflet of mitral valve]. [electronic resource] - Arquivos brasileiros de cardiologia Aug 1990 - 121-4 p. digital Publication Type: Case Reports; English Abstract; Journal Article ISSN: 0066-782X Subjects--Topical Terms: ChildEchocardiography, DopplerFemaleHumansMitral Valve--abnormalitiesVentricular Outflow Obstruction--etiology