Nguyen, N., Fashing, P. J., Boyd, D. A., Barry, T. S., Burke, R. J., Goodale, C. B., et al. (2015). Fitness impacts of tapeworm parasitism on wild gelada monkeys at Guassa, Ethiopia. American Journal of Primatology, 77(5), 579-594. doi:10.1002/ajp.22379.