The 2001 World Health Organization and Updated European Clinical and Pathological Criteria for the Diagnosis, Classification, and Staging of the Philadelphia Chromosome-Negative Chronic Myeloproliferative Disorders - Michiels, Jan J; Raeve, Hendrik De; Berneman, Zwi; Bockstaele, Dirk Van; Hebeda, Konnie; Lam, King; Schroyens, Wilfried (Seminars in Thrombosis and Hemostasis, 2006)