Campbell, B. K., Guydish, J., Le, T., Wells, E. A., & McCarty, D. (2014). The Relationship of Therapeutic Alliance and Treatment Delivery Fidelity with Treatment Retention in a Multisite Trial of Twelve-Step Facilitation. Psychol Addict Behav.

Campbell, Barbara K., Joseph Guydish, Thao Le, Elizabeth A. Wells, و Dennis McCarty. "The Relationship of Therapeutic Alliance and Treatment Delivery Fidelity With Treatment Retention in a Multisite Trial of Twelve-Step Facilitation." Psychol Addict Behav 2014.

Campbell, Barbara K., et al. "The Relationship of Therapeutic Alliance and Treatment Delivery Fidelity With Treatment Retention in a Multisite Trial of Twelve-Step Facilitation." Psychol Addict Behav 2014.