R P Winne

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Intrathecal (IT) administration of acetyl cholinesterase inhibitors produces analgesia through a muscarinic action. The addition of IT cholinergic agonists to IT opioids or alpha 2-adrenergic agonists results in enhanced analgesic effects, but it is not clear whether these interactions are synergistic, additive, or less than additive. Dose-response curves(More)
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