Anna L. Godfrey, Edwin Chen, Francesca Pagano, Yvonne Silber, Peter J. Campbell and Anthony R. Green (2013) “Clonal analyses reveal associations of JAK2V617F homozygosity with hematologic features, age and gender in polycythemia vera and essential thrombocythemia”, Haematologica. Pavia, Italy, 98(5), pp. 718-721. doi: 10.3324/haematol.2012.079129.