No abstract available
Publication types
-
Comparative Study
-
Research Support, U.S. Gov't, Non-P.H.S.
-
Research Support, U.S. Gov't, P.H.S.
MeSH terms
-
Analgesia
-
Animals
-
Blood-Brain Barrier / drug effects*
-
Drug Implants
-
Drug Tolerance*
-
Etorphine / administration & dosage
-
Etorphine / pharmacology*
-
Injections, Intraventricular
-
Injections, Subcutaneous
-
Male
-
Mice
-
Mice, Inbred ICR
-
Morphinans / pharmacology*
-
Morphine / administration & dosage
-
Morphine / pharmacology*
Substances
-
Drug Implants
-
Morphinans
-
Etorphine
-
Morphine