title: Abstinence or maintenance treatment in substance use disorders?
authors.affiliation: Department of Psychiatry (UPK), University of Basel, Basel, Switzerland. marc.walter@upkbs.ch.
authors.forename: Marc
authors.initials: M
authors.lastname: Walter
authors.affiliation: Department of Psychiatry and Psychotherapy, Ludwig Maximilian University, Munich, Germany.|Privatklinik Meiringen, Meiringen, Switzerland.
authors.forename: Michael
authors.initials: M
authors.lastname: Soyka
keywords: Abstinence; addiction; alcohol; cocaine; heroin; maintenance treatment; substance use disorder