Hepatopulmonary Syndrome: A Forgotten Liver-induced Lung Vascular Disorder Robert Rodríguez-Roisin;

Abernethy Malformation: An Unusual Extrathoracic Cause of Chronic Hypoxemia in Pediatrics Marc Figueras-Coll; Anna Sabaté-Rotés; Ignacio Iglesias-Serrano; Andreu Peñas-Aguilera; Mercedes Pérez-Lafuente;