Authors: Jennifer A Kelly; Kevin Thompson; Jeff Kilpatrick; Tom Lam; Swapan K Nath; Courtney Gray-McGuire; Jeff Reid; Bahram Namjou; Christopher E Aston; Gail R Bruner; R Hal Scofield; John B Harley Journal: Proc Natl Acad Sci U S A Date: 2002-08-21 Impact factor: 11.205