Partanen Anu, Jantunen Esa, Evolution of Janus Kinase 2 V617F-negative idiopathic myelofibrosis into Philadelphia+ chronic myeloid leukemia, Journal of Clinical Case reports and Images, Volume 2, Issue 4, 2023, Pages 1-6, ISSN 2641-5518, https://doi.org/10.14302/issn.2641-5518.jcci-23-4506. (http://oap-journals.comjcci/article/1928) Keywords: myeloproliferative disorders; CML; BCR-ABL1 fusion gene; JAK V617F mutation