Susan K. Keay, Zoltan Szekely, Thomas P. Conrads, Timothy D. Veenstra, Joseph J. Barchi, Jr., Chen-Ou Zhang, Kristopher R. Koch, Christopher J. Michejda
Proc Natl Acad Sci U S A. 2004 Aug 10; 101(32): 11803–11808. Published online 2004 Jul 28. doi: 10.1073/pnas.0404509101