Reinforcing properties of clonidine in r
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William L. Woolverton; William D. Wessinger; Robert L. Balster
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Article
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1982
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Springer
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English
โ 729 KB
Intravenous clonidine self-administration was studied in rhesus monkeys under conditions of limited and unlimited access. Limited access consisted of daily 2-h experimental sessions with drug available on a fixed ratio 10 schedule. For unlimited access, drug was available 23 h/day with each response