Impact of white blood cell counts at diagnosis and during follow‐up in patients with essential thrombocythaemia and prefibrotic primary myelofibrosis. (19th July 2016) - Buxhofer‐Ausch, Veronika; Gisslinger, Bettina; Schalling, Martin; Gleiss, Andreas; Schiefer, Ana‐Iris; Müllauer, Leonhard; Thiele, Jürgen; Kralovics, Robert; Gisslinger, Heinz