title: Myelofibrotic transformation in essential thrombocythemia.
authors.forename: Juergen
authors.initials: J
authors.lastname: Thiele
authors.forename: Hans Michael
authors.initials: HM
authors.lastname: Kvasnicka
mesh_terms: D006801:Humans; D055728:Primary Myelofibrosis / Q000175:diagnosis* / Q000209:etiology; D011379:Prognosis; D012307:Risk Factors; D013920:Thrombocythemia, Essential / Q000150:complications / Q000175:diagnosis*