title: [A two-years challenge].
authors: Presidente da Revista Portuguesa de Cirurgia Cardio-Torácica e Vascular. Portugal.
authors: R
authors: R
authors: de Albuquerque
mesh_terms: D006348:Cardiac Surgical Procedures; D006801:Humans; D011174:Portugal; D012955:Societies, Medical / Q000458:organization & administration*; D019616:Thoracic Surgical Procedures