Labrador, Francisco J., Mónica Bernaldo de Quirós Aragón, y Fernando De Arce. 2005. «Evaluation of a Group Cue-Exposure Treatment for Opiate Addicts». The Spanish Journal of Psychology 8 (2): 229-37. https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0505220229A.