Therapist differences in cognitive-behavioral psychotherapy for generalized anxiety disorder: a pilot study
Psychotherapy (2011) - Comment
pubmed: 21688930  doi: 10.1037/a0022011  issn: 1939-1536  issn: 0033-3204 

Henny A. Westra, Michael J. Constantino, Hal Arkowitz, David J. A. Dozois