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Morphine did not , however , alter the hyperalgesia induced by 8 - bromo cyclic adenosine monophosphate .
 Chemical: Morphine; Disease: hyperalgesia; Chemical: 8 - bromo cyclic adenosine monophosphate
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: Morphine; Disease: hyperalgesia; Chemical: 8 - bromo cyclic adenosine monophosphate