title: Conditioning mechanisms in drug dependence.
authors.affiliation: Dept. Psychiatry, U. of Pennsylvania/VA Medical Center, Philadelphia 19104-6178.
authors.forename: C
authors.initials: C
authors.lastname: O'Brien
authors.forename: A R
authors.initials: AR
authors.lastname: Childress
authors.forename: R
authors.initials: R
authors.lastname: Ehrman
authors.forename: S
authors.initials: S
authors.lastname: Robbins
authors.forename: A T
authors.initials: AT
authors.lastname: Mclellan
mesh_terms: D000818:Animals; D003213:Conditioning, Psychological / Q000502:physiology*; D006801:Humans; D012008:Recurrence; D019966:Substance-Related Disorders / Q000523:psychology*