“Pretreatment with the calmodulin inhibitors, … (40 mumoles/kg), chlorpromazine (40 mumoles/kg) or W-7 (… mumoles/kg) greatly attenuated the CD2+ -induced increase in both parameters, whereas pretreatment with chlorpromazine sulfoxide (140 mumoles/kg), pentobarbital (140 mumoles/kg), verapamil (80 mumoles/kg) or ethylenediaminetetraacetate (140 mumoles/kg) did not.”