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Furthermore , data obtained with phentolamine alone do not suggest alpha - adrenoceptor desensitization as the cause of the enhanced neurotransmitter overflow after epinephrine treatment .
 Chemical: phentolamine; Chemical: epinephrine
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: phentolamine; Chemical: epinephrine