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Chlordiazepoxide at doses up to 10 mg / kg failed to significantly influence the rigidity produced by alfentanil .
 Chemical: Chlordiazepoxide; Disease: rigidity; Chemical: alfentanil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Chlordiazepoxide; Disease: rigidity; Chemical: alfentanil