A mutation in PTPN11 may drive leukemic transformation in a case of essential thrombocythemia. Issue 1 (2nd January 2018) - Guo, Belinda B.; Liang, James; Allcock, Richard J. N.; Mirzai, Bob; Augustson, Bradley; Howman, Rebecca; Fuller, Kathryn A.; Erber, Wendy N.