Allen, L. B., White, K. S., Barlow, D. H., Shear, M. K., Gorman, J. M., & Woods, S. W. (2009). Cognitive-Behavior Therapy (CBT) for Panic Disorder: Relationship of Anxiety and Depression Comorbidity with Treatment Outcome. Springer US.

Allen, Laura B., Kamila S. White, David H. Barlow, M. Katherine Shear, Jack M. Gorman, and Scott W. Woods. Cognitive-Behavior Therapy (CBT) for Panic Disorder: Relationship of Anxiety and Depression Comorbidity With Treatment Outcome. Springer US, 2009.

Allen, Laura B., et al. Cognitive-Behavior Therapy (CBT) for Panic Disorder: Relationship of Anxiety and Depression Comorbidity With Treatment Outcome. Springer US, 2009.