Substance use disorders and racial/ethnic minorities matter: a meta-analytic examination of the relation between alliance and outcome
Journal of Counseling Psychology (2013) - Comment
pubmed: 23815630  doi: 10.1037/a0033161  issn: 0022-0167  issn: 1939-2168 

Christoph Flückiger, Aaron C. Del Re, Adam O. Horvath, Dianne Symonds, Michael Ackert, Bruce E. Wampold