1992

1. Characterization of Doppler flow of the left atrial appendage and its relation to thrombi. A transesophageal echocardiographic study

   Revista portuguesa de cardiologia : orgão oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology, Vol. 11, Núm. 2, pp. 117-125

2. Echocardiographic quantification of mitral regurgitation. Comparative study with transthoracic and transesophageal Doppler color echocardiography

   Revista portuguesa de cardiologia : orgão oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology, Vol. 11, Núm. 1, pp. 21-28