Early detection of pulmonary hypertension in primary myelofibrosis: The role of echocardiography, cardiopulmonary exercise testing, and biomarkers. Issue 4 (21st February 2017) - Sciumè, Mariarita; Mattiello, Veronica; Cattaneo, Daniele; Bucelli, Cristina; Orofino, Nicola; Gandolfi, Lisa; Pettine, Loredana; Lonati, Silvia; Gianelli, Umberto; Pierini, Alberto; Cortelezzi, Agostino; Iurlo, Alessandra