Variation of hair cortisol concentrations among wild populations of two baboon species () and a population of their natural hybridsDOI: info:10.1007/s10329-015-0469-zv. 56No. 3Springer259–272
Fourie, Nicolaas H., Jolly, Clifford J., Phillips-Conroy, Jane, Brown, Janine L., and Bernstein, Robin M. 2015. "Variation of hair cortisol concentrations among wild populations of two baboon species (Papio anubis, P. hamadryas) and a population of their natural hybrids." Primates, 56, (3) 259–272. https://doi.org/10.1007/s10329-015-0469-z.