@article{article, title = {{Psychological treatment outcomes in routine NHS services: What do we mean by treatment effectiveness?}}, url = {{}}, year = {{2012}}, month = {{1}}, author = {{Barkham M and Stiles WB and Connell J and Mellor-Clark J}}, doi = {{10.1111/j.2044-8341.2011.02019.x}}, volume = {{85}}, journal = {{Psychology and Psychotherapy: Theory, Research and Practice}}, issue = {{1}}, pages = {{1-16}}, note = {{Accessed on 2025/05/22}}}