Aram D. Stump, Meagan C. Fitzpatrick, Neil F. Lobo, Sékou Traoré, N′Fale Sagnon, Carlo Costantini, Frank H. Collins, Nora J. Besansky
Proc Natl Acad Sci U S A. 2005 Nov 1; 102(44): 15930–15935. Published online 2005 Oct 24. doi: 10.1073/pnas.0508161102