No abstract available
MeSH terms
-
Analgesics / pharmacology*
-
Animals
-
Berberine / analogs & derivatives
-
Berberine / pharmacology*
-
Berberine Alkaloids / pharmacology*
-
Dogs
-
Drug Synergism
-
Electroencephalography
-
Etorphine / analogs & derivatives
-
Etorphine / pharmacology
-
Female
-
Heart Rate / drug effects
-
Male
-
Meperidine / pharmacology
-
Mice
-
Pain / physiopathology
-
Rabbits
-
Respiration / drug effects
-
Sensory Thresholds / drug effects
Substances
-
Analgesics
-
Berberine Alkaloids
-
Berberine
-
stepholidine
-
Etorphine
-
Meperidine
-
18,19-dihydroetorphine