VEGA MICHEL, C.; LÓPEZ ÁLVAREZ, M.; CAMACHO GUTIÉRREZ, E. Behavioral patterns in avoidance schedules with humans and their effects on salivary cortisol. Mexican Journal of Behavior Analysis, [S. l.], v. 36, n. 1, p. 33–46, 2010. DOI: 10.5514/rmac.v36.i1.18013. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/18013. Acesso em: 7 may. 2024.