Analgesic cross-tolerance between morphi
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Subbiah P. Sivam; Ing K. Ho
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Article
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1984
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Springer
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English
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The analgesic effect of intracerebroventricular administration of morphine, ketocyclazocine, [D-ala2]-methionine enkephalinamide (DAM), [D-ala2-D-leuS]-enkephalin (DADLE), leuenkephalin, metenkephalin, and /3-endorphin on acetic acid-induced abdominal writhing (AAW) was investigated in naive and mor