Echocardiographic abnormalities in patients with COPD at their first hospital admission
Xavier Freixa, Karina Portillo, Carles Paré, Judith Garcia-Aymerich, Federico P. Gomez, Marta Benet, Josep Roca, Eva Farrero, Jaume Ferrer, Carlos Fernandez-Palomeque, Josep M. Antó, Joan Albert Barberà
European Respiratory Journal Apr 2013, 41 (4) 784-791; DOI: 10.1183/09031936.00222511