Mayor, P., Pereria, W., Nacher, V., Navarro, M., Monteiro, F., Rocha El Bizri, H., & Carretero, A. (2018). Menstrual cycle in four New World primates: Poeppig's woolly monkey (Lagothrix poeppigii), red uakari (Cacajao calvus), large-headed capuchin (Sapajus macrocephalus) and nocturnal monkey (Aotus nancymaae). Theriogenology, 123, 11-21. https://doi.org/10.1016/j.theriogenology.2018.09.019