Physical dependence and sstained opiate-directed behavior in the rat. A preliminary report.
DAVIS
W M
WM
NICHOLS
J R
JR
D000701:Analgesics, Opioid; D000818:Animals; D001519:Behavior / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D051381:Rats
D000701:Analgesics, Opioid; D009020:Morphine
BEHAVIOR MECHANISMS/pharmacology; MORPHINE/pharmacology