Comparison of the accuracy of four diagnostic prediction rules for pulmonary embolism in patients admitted to the emergency department Beatriz Valente Silva; Cláudia Jorge; Rui Plácido; Miguel Nobre Menezes; Carlos Mendonça; Maria Luísa Urbano; Joana Rigueira; Ana G. Almeida; Fausto J. Pinto;

Three-dimensional simulation for interventional cardiology procedures: Face and content validity Carolina Sequeira; Manuel Oliveira-Santos; João Borges Rosa; João Silva Marques; Eduardo Oliveira Santos; Gustavo Norte; Lino Gonçalves;

Surgical aortic valve replacement in octogenarians: Single-center perioperative outcomes and five-year survival Tiago R. Velho; João Gonçalves; Rafael Maniés Pereira; Ricardo Ferreira; André Sena; Nádia Junqueira; Eurídice Ângelo; Nuno Carvalho Guerra; Mário Mendes; Ricardo Arruda Pereira; Ângelo Nobre;