Jeffrey W. Streb, Xiaochun Long, Ting-Hein Lee, Qiang Sun, Chad M. Kitchen, Mary A. Georger, Orazio J. Slivano, William S. Blaner, Daniel W. Carr, Irwin H. Gelman, Joseph M. Miano
PLoS One. 2011; 6(4): e18538. Published online 2011 Apr 5. doi: 10.1371/journal.pone.0018538