{Reference Type}: Letter {Title}: WHO-defined chronic neutrophilic leukemia: a long-term analysis of 12 cases and a critical review of the literature. {Author}: Elliott MA;Hanson CA;Dewald GW;Smoley SA;Lasho TL;Tefferi A; {Journal}: Leukemia {Volume}: 19 {Issue}: 2 {Year}: Feb 2005 {Factor}: 12.883 {DOI}: 10.1038/sj.leu.2403562 {Abstract}: