14794
However , we do not believe that the saturation of hepatic metabolism was the mechanism of nonlinearity in monkeys because of the high Km value ( 42 . 44 mu M ) observed in liver microsomes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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