Vega Michel C, López Álvarez M, Camacho Gutiérrez E. Behavioral patterns in avoidance schedules with humans and their effects on salivary cortisol. MJBA [Internet]. 2010 May 20 [cited 2024 May 7];36(1):33-46. Available from: https://revistas.unam.mx/index.php/rmac/article/view/18013