Robert Van der Geize, Katherine Yam, Thomas Heuser, Maarten H. Wilbrink, Hirofumi Hara, Matthew C. Anderton, Edith Sim, Lubbert Dijkhuizen, Julian E. Davies, William W. Mohn, Lindsay D. Eltis
Proc Natl Acad Sci U S A. 2007 Feb 6; 104(6): 1947–1952. Published online 2007 Jan 30. doi: 10.1073/pnas.0605728104