title: Nathan B. Eddy Memorial Award Lecture.
authors.affiliation: NIDA, Rockville, MD 20857.
authors.forename: C R
authors.initials: CR
authors.lastname: Schuster
mesh_terms: D000818:Animals; D004195:Disease Models, Animal; D006801:Humans; D012646:Self Administration; D019966:Substance-Related Disorders / Q000523:psychology*