Richard S Sohn

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Phenytoin, phenobarbital, ethosuximide, and procaine hydrochloride were evaluated for their ability to inhibit Ca2+ flux into isolated presynaptic endings (synaptosomes) prepared from rabbit neocortex. Calcium influx produced by depolarizing concentrations (69 mM) of K+ was inhibited 7% to 63% by phenytoin, phenobarbital, or procaine, whereas ethosuximide(More)
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