@inbook{inbook, title  = {{Therapist effects, effective therapists, and the law of variability.}},

 publisher = {{American Psychological Association}},

 url = {{}},

 year = {{2017}},

 month = {{2}},

 author = {{Barkham M and Lutz W and Lambert MJ and Saxon D}},

 doi = {{10.1037/0000034-002}},

 isbn = {{9781433827723}},

 pages = {{13-36}},

 note = {{Accessed on 2024/12/22}}}