Authors: Paloma H Giangrande; JianXin Zhang; Alice Tanner; Andrea D Eckhart; Rachel E Rempel; Eran R Andrechek; Juliana M Layzer; Janelle R Keys; Per-Otto Hagen; Joseph R Nevins; Walter J Koch; Bruce A Sullenger Journal: Proc Natl Acad Sci U S A Date: 2007-07-25 Impact factor: 11.205