Assertion: ephedrine's effect | /r/AtLocation | rat
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Source sentences:
text: In rats, no pharmacological effects were observed following intravenous administration of ecgonine (200 mg/kg), methylecgonine (200 mg/kg) or benzoylecgonine (250 mg/kg), whereas intravenous cocaine at 20 mg/kg caused excessively rapid heart beat, convulsions and death within 3-5 minutes.