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BACKGROUND AND PURPOSE Nicotinic acetylcholine receptors (nACh receptors) play a central role in the habenulo-interpeduncular system. We studied nicotine-induced release of NA and ACh in the habenula and interpeduncular nucleus (IPN). EXPERIMENTAL APPROACH The habenula and IPN were loaded with [(3) H]-choline or [(3) H]-NA and placed in superfusion(More)
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