Self-injection of barbiturates and benzo
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Roland R. Griffiths; Scott E. Lukas; L. DiAnne Bradford; Joseph V. Brady; Jack D
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Article
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1981
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Springer
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English
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Self-injection of three barbiturates, six benzodiazepines, and chlorpromazine was examined in baboons. Intravenous injections of drug were dependent upon completion of 160 lever presses (a 160-response fixed-ratio schedule). A 3-h time-out period followed each injection, permitting a maximum of eigh