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Surgical revascularization of chronic coronary total occlusions ¿ a systematic review and meta-analysis Ana Luísa Silva; Gonçalo Ferraz Costa; José Luís Martins; Luís Leite; Lino Gonçalves;

Cardiopulmonary exercise testing in clinical practice: Principles, applications, and basic interpretation Hélder Dores; Miguel Mendes; Ana Abreu; Anaí Durazzo; Cidália Rodrigues; Eduardo Vilela; Gonçalo Cunha; José Gomes Pereira; Luísa Bento; Luís Moreno; Paulo Dinis; Sandra Amorim; Susana Clemente; Mário Santos;