Ley, Ruth E and Peterson, Daniel A and Gordon, Jeffrey I (2006). “Ecological and evolutionary forces shaping microbial diversity in the human intestine”. Cell124 (4): 837–848. doi:10.1016/j.cell.2006.02.017. PMID16497592.
Ley, Ruth E and Turnbaugh, Peter J and Klein, Samuel and Gordon, Jeffrey I (2006). “Microbial ecology: human gut microbes associated with obesity”. Nature444 (7122): 1022–1023. Bibcode: 2006Natur.444.1022L. doi:10.1038/4441022a. PMID17183309.
Ley, Ruth E and Turnbaugh, Peter J and Klein, Samuel and Gordon, Jeffrey I (2006). “Microbial ecology: human gut microbes associated with obesity”. Nature444 (7122): 1022–1023. Bibcode: 2006Natur.444.1022L. doi:10.1038/4441022a. PMID17183309.
Ley, Ruth E and Peterson, Daniel A and Gordon, Jeffrey I (2006). “Ecological and evolutionary forces shaping microbial diversity in the human intestine”. Cell124 (4): 837–848. doi:10.1016/j.cell.2006.02.017. PMID16497592.
Ley, Ruth E and Turnbaugh, Peter J and Klein, Samuel and Gordon, Jeffrey I (2006). “Microbial ecology: human gut microbes associated with obesity”. Nature444 (7122): 1022–1023. Bibcode: 2006Natur.444.1022L. doi:10.1038/4441022a. PMID17183309.