T.  van der Valk, Sandoval-Castellanos, E., Caillaud, D., Ngobobo, U., Binyinyi, E., Nishuli, R., Stoinski, T., Gilissen, E., Sonet, G., Semal, P., Kalthoff, D. C., Dalén, L., and Guschanski, K., ?Significant loss of mitochondrial diversity within the last century due to extinction of peripheral populations in eastern gorillas?, Scientific Reports, vol. 8, p. 6551, 2018.