Geographic patterns and pathogenetic implications of IGHV gene usage in chronic lymphocytic leukemia: the lesson of the IGHV3-21 gene.
Ghia P, Stamatopoulos K, Belessi C, Moreno C, Stella S, Guida G, Michel A, Crespo M, Laoutaris N, Montserrat E, et al. Blood. 2005 Feb 15; 105(4):1678-85. Epub 2004 Oct 5.