Congenital atrioventricular heart block: From diagnosis to treatment Clara Melim; Joana Pimenta; José Carlos Areias;

Congenital heart defects and preterm birth: Outcomes from a referral center Andreia Palma; Sofia Morais; Patrícia V. Silva; António Pires;

Changes in heart rate variability after ventricular septal defect closure in children. Where do we stand? Adaptation mechanism, sequela or complications? Fátima F. Pinto;