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METHODS : Patients that received Botox injections for spasmodic dysphonia between January 2000 and October 2009 were evaluated .
 Chemical: Botox; Disease: spasmodic dysphonia
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: Botox; Disease: spasmodic dysphonia