(Q48424532)
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Potency ratios of morphine and morphine-6beta-glucuronide analgesia elicited from the periaqueductal gray, locus coeruleus or rostral ventromedial medulla of rats. (English)
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E K Krzanowska
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G C Rossi
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G W Pasternak
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R J Bodnar
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1 July 1998
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799
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2
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329-333
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