876
RESULTS : Ribavirin - induced anemia occurred in 18 ( 20 . 5 % ) patients during treatment .
 Chemical: Ribavirin; Disease: anemia
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: Ribavirin; Disease: anemia