Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WILLIAMS DM,"Phenotypic variations and new mutations in JAK2 V617F-negative polycythemia vera, erythrocytosis, and idiopathic myelofibrosis",Exp Hematol.,,,2007,35,,1641-1646,https://cir.nii.ac.jp/crid/1573105975755732608,