Response to the letter from Rodrigues M and Vaz IM regarding the article ¿Effectiveness of a preoperative breathing exercise intervention in patients undergoing cardiac surgery: a systematic review¿ Soraia Nicola Rodrigues; Helga Rafael Henriques; Maria Adriana Henriques;

Levoatrial cardinal vein with left-to-right shunt in a neonate: Multi-imaging diagnosis Rui J. Cerqueira; Joana O. Miranda; Alexandre Carneiro; Jorge Casanova;

Cardiac surgery in infective endocarditis and predictors of in-hospital mortality Neusa Guiomar; M. Vaz-da-Silva; D. Mbala; B. Sousa-Pinto; J.P. Monteiro; P. Ponce; F. Carneiro; M. Guerra; F. Neves; R. Ferraz; D. Rijo; M. Teixeira; L. Vouga; P. Braga;