Intraspecific phylogenetic analysis of Siberian woolly mammoths using complete mitochondrial genomes.
Gilbert MT, Drautz DI, Lesk AM, Ho SY, Qi J, Ratan A, Hsu CH, Sher A, Dalén L, Götherström A, et al. Proc Natl Acad Sci U S A. 2008 Jun 17; 105(24):8327-32. Epub 2008 Jun 9.