title: Orphan anxiety.
authors.affiliation: Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA.
authors.forename: J R
authors.initials: JR
authors.lastname: Walker
authors.forename: G F
authors.initials: GF
authors.lastname: Koob
mesh_terms: D000818:Animals; D001007:Anxiety / Q000378:metabolism*; D006801:Humans; D011957:Receptors, Opioid / Q000502:physiology*
chemical_list: D011957:Receptors, Opioid