Pham, T.; Bracamontes-Castelo, G.; Antonio-Villa, N. E.; Avendaño-Pérez, L.; Zamora, K. del V.; Keirns, C.; Berrios-Barcenas, E.; Espinola-Zaval, N. Evaluation of Regional Left and Right Ventricular Function in Patients With Ostium-Secundum Atrial Septal Defect Using Speckle Tracking Echocardiography. acbr 2020, 4, 274-291.