Are there subtypes of panic disorder? An interpersonal perspective
Journal of Consulting and Clinical Psychology (2015) - Comment
pubmed: 26030762  doi: 10.1037/a0039373  issn: 1939-2117  issn: 0022-006x 

Sigal Zilcha-Mano, Kevin S. McCarthy, Ulrike Dinger, Dianne L. Chambless, Barbara L. Milrod, Lauren Kunik, Jacques P. Barber