Analysis of hemodynamic effects of bosentan on portopulmonary hypertension in short-term and medium-term follow-up: Promising predictors of response to therapy?. (10th February 2016) - Ottobrelli, A.; Risso, A.; Marra, W. Grosso; Martini, S.; Orzan, F.; Cerenzia, M. Torrani; Balzola, F.; Arese, D.; Sacco, M.; Strona, S.; Stradella, D.; Libertucci, D.; et al.