Authors: Craig L Semerad; Elinore M Mercer; Matthew A Inlay; Irving L Weissman; Cornelis Murre Journal: Proc Natl Acad Sci U S A Date: 2009-01-30 Impact factor: 11.205
Authors: Kenichiro Maeda; Alex Malykhin; Brittany N Teague-Weber; Xiao-Hong Sun; A Darise Farris; K Mark Coggeshall Journal: Blood Date: 2009-02-17 Impact factor: 22.113