A van Dalen

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The purpose of the present study was to determine the acute effects of the beta-carboline norharman on cocaine dependence. Male Wistar rats were allowed to self-administer cocaine for 3 h for seven sessions. A single injection of norharman (0.2-20 mg/kg, i.p.) was given 30 min before the onset of the seventh session. It was shown that norharman decreased(More)
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