Michaela Robbie Ryan, Rebecca Shepherd, Jennifer K. Leavey, Yuhao Gao, Francesco Grassi, Frederick J. Schnell, Wei-Ping Qian, Gilbert J. Kersh, M. Neale Weitzmann, Roberto Pacifici
Proc Natl Acad Sci U S A. 2005 Nov 15; 102(46): 16735–16740. Published online 2005 Nov 2. doi: 10.1073/pnas.0505168102