JAK2 exon 12 mutated polycythemia vera: Mayo‐Careggi MPN Alliance study of 33 consecutive cases and comparison with JAK2V617F mutated disease. Issue 4 (7th March 2018) - Tefferi, Ayalew; Lavu, Sravanthi; Mudireddy, Mythri; Lasho, Terra L.; Finke, Christy M.; Gangat, Naseema; Pardanani, Animesh; Hanson, Curtis A.; Mannarelli, Carmela; Guglielmelli, Paola; Vannucchi, Alessandro M.