The JAK2V617F allele burden and STAT3- and STAT5 phosphorylation in myeloproliferative neoplasms: early prefibrotic myelofibrosis compared with essential thrombocythemia, polycythemia vera and myelofibrosis. - Risum M; Madelung A; Bondo H; Bzorek M; Kristensen MH; Stamp IM; Hasselbalch HC (APMIS : acta pathologica, microbiologica, et immunologica Scandinavica, 2011)