Effects of graded oral doses of meptazinol and pentazocine in comparison with placebo on experimentally induced pain in healthy humans

The opioid agonist/antagonist meptazinol has proven to exert significant analgesia in a series of painful conditions. This study investigated the effects of single oral doses of meptazinol 100, 200, and 400 mg in comparison with pentazocine 50 and 100 mg and with placebo on experimentally induced pa...

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