Muñoz-Reyes, J. A., Iglesias-Julios, M., Martín-Elola, C., Losada-Perez, M., Monedero, I., Pita, M., & Turiégano, E. (2014). Changes in preference for male faces during the menstrual cycle in a Spanish population. Anales De Psicología Annals of Psychology, 30(2), 667–675. https://doi.org/10.6018/analesps.30.2.145221