Loretto, Matthias-Claudio Department of Migration, Max Planck Institute of Animal Behavior, Max Planck Society;
Stocker, M., Loretto, M.-C., Sterck, E. H. M., Bugnyar, T., & Massen, J. J. M. (2020). Cooperation with closely bonded individuals reduces cortisol levels in long-tailed macaques. Royal Society Open Science, 7(5): 191056. doi:10.1098/rsos.191056.