Á. Romero Cárdenas

[Aortic valve complications associated with subarterial infundibular ventricular septal defect. Echocardiograpic follow-up].

M. Vallejo, J. Vargas Barrón, L. Muñoz Castellanos, 2002, Revista espanola de cardiologia.

[Echocardiographic findings in primary Sjögren syndrome].

N. Espínola Zavaleta, J. Vargas Barrón, Á. Romero Cárdenas, 1997, Archivos del Instituto de Cardiologia de Mexico.

Echocardiographic Evaluation of Patients with Primary Pulmonary Hypertension Before and After Atrial Septostomy

N. Espinola-Zavaleta, C. Keirns, J. Sandoval, 1999, Echocardiography.

Left ventricular longitudinal strain measured by speckle tracking as a predictor of the decrease in left ventricular deformation in children with congenital stenosis of the aorta or coarctation of the aorta.

F. Roldán, J. Vargas Barrón, J. Erdmenger Orellana, 2013, Ultrasound in medicine & biology.