Patterns of early change and their relationship to outcome and early treatment termination in patients with panic disorder
Journal of Consulting and Clinical Psychology (2014) - Comment
pubmed: 24447004  doi: 10.1037/a0035535  issn: 1939-2117  issn: 0022-006x 

Wolfgang Lutz, Stefan G. Hofmann, Julian Rubel, James F. Boswell, M. Katherine Shear, Jack M. Gorman, Scott W. Woods, David H. Barlow