@article {3399,
	title = {Evolution of Mammals and Their Gut Microbes},
	journal = {Science},
	volume = {320},
	year = {2008},
	pages = {1647-1651},
	author = {Ley, Ruth E. and Hamady, Micah and Lozupone, Catherine and Turnbaugh, Peter J. and Ramey, Rob Roy and Bircher, J Stephen and Schlegel, Michael L. and Tucker, Tammy A. and Schrenzel, Mark D. and Knight, Rob and others}
}
