Contrasting signatures of population growth for mitochondrial DNA and Y chromosomes among human populations in Africa.
Pilkington MM, Wilder JA, Mendez FL, Cox MP, Woerner A, Angui T, Kingan S, Mobasher Z, Batini C, Destro-Bisol G, et al. Mol Biol Evol. 2008 Mar; 25(3):517-25. Epub 2007 Dec 18.