Caballero A, Muñoz D, Sánchez F, Carrera P. Emotional Ambivalence in Risk Behaviors: The Case of Occasional Excessive Use of Alcohol. Span. j. psychol. 2007;10(1):151-158. Accessed July 22, 2026. https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0707120151A