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Intravenous self-administration of methamphetamine-heroin (speedball) combinations under a progressive-ratio schedule of reinforcement in rats
Ranaldi, Robert, Wise, Roy A.Volume:
11
Language:
english
Journal:
NeuroReport
DOI:
10.1097/00001756-200008210-00003
Date:
August, 2000
File:
PDF, 137 KB
english, 2000