1195
However , artificially ventilated rats , pretreated with MK - 801 , were more sensitive ( lethal cocaine dose , 76 . 6 + / - 8 . 0 mg / kg , n = 5 ) than vehicle pretreated rats ( 129 . 4 + / - 15 . 8 mg / kg , n = 6 ) , indicating that MK - 801 may increase both the respiratory and the cardiac toxicity of cocaine in urethane anesthetized rats .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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