Theory, Research and Practice, Journal of Counseling Psychology, Clinical Psychology Review, Comprehensive Psychiatry and International Journal of Group Psychotherapy) identified as being likely to contain relevant RCTs were handsearched to identify references to randomisation procedure within the text.The selected articles were then examined to establish relevance to this review.Three health economics journals (Journal of Mental Health Policy and Economics, Journal of Health Economics and Health Economics) identified as being likely to contain relevant RCTs with economic and/or cost-effectiveness dimensions were also handsearched.
Stored only when both papers are in the corpus — 368 citations exist upstream.