title: Fentanyl dependence associated with oral ingestion.
authors.affiliation: Department of Psychiatry, University of Kentucky Medical Center, Lexington 40536-0080.
authors.forename: L R
authors.initials: LR
authors.lastname: Hays
authors.forename: V
authors.initials: V
authors.lastname: Stillner
authors.forename: R
authors.initials: R
authors.lastname: Littrell
mesh_terms: D000284:Administration, Oral; D000328:Adult; D005283:Fentanyl / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D012646:Self Administration; D019966:Substance-Related Disorders
chemical_list: D005283:Fentanyl