4533
Animals of the S - I group exhibited significantly ( Pp less than 0 . 05 ) greater mortality from the effects of isoproterenol than animals of the E - I group .
 Chemical: isoproterenol
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: isoproterenol