title: Where is the forest?
authors: Addiction Research Group, University of Stockholm, Sweden. anders.bergmark@socarb.su.se.
authors: Anders
authors: A
authors: Bergmark
mesh_terms: D016739:Behavior, Addictive / Q000628:therapy*; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D015990:Placebo Effect; D019966:Substance-Related Disorders / Q000628:therapy*
keywords: Common factors; Dodo bird; future research; specific factors; treatment outcome; treatment theory