Authors: Peter A Singer; Kathryn Berndtson; C Shawn Tracy; Emma R M Cohen; Hassan Masum; James V Lavery; Abdallah S Daar Journal: Nature Date: 2007-09-13 Impact factor: 49.962
Authors: Henry Greely; Barbara Sahakian; John Harris; Ronald C Kessler; Michael Gazzaniga; Philip Campbell; Martha J Farah Journal: Nature Date: 2008-12-11 Impact factor: 49.962