Endothelin-receptor antagonists in the management of pulmonary arterial hypertension: where do we stand?
Michele Correale,1 Armando Ferraretti,2 Ilenia Monaco,3 Davide Grazioli,1 Matteo Di Biase,4 Natale Daniele Brunetti3 1Department of Cardiology, Ospedali Riuniti University Hospital, Foggia, 2Cardiology Unit, “Caduti in guerra” Hospital, Canosa di Puglia, BT, 3Department of Cardiology, University of Foggia, 4Santa Maria Hospital, GVM Car