title: Potentiation of pentobarbital sleeping time by the acute and chronic administration of morphine.
authors.affiliation: Department of Psychology, University of California, Los Angeles 90024.
authors.forename: R N
authors.initials: RN
authors.lastname: Pechnick
authors.forename: G W
authors.initials: GW
authors.lastname: Terman
authors.forename: J C
authors.initials: JC
authors.lastname: Liebeskind
mesh_terms: D000818:Animals; D004357:Drug Synergism; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009271:Naltrexone / Q000494:pharmacology; D010424:Pentobarbital / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D011957:Receptors, Opioid / Q000502:physiology*; D012890:Sleep / Q000187:drug effects*
chemical_list: D011957:Receptors, Opioid; D009271:Naltrexone; D009020:Morphine; D010424:Pentobarbital