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Combination therapy is associated with a clinically important adverse effect : ribavirin - induced hemolytic anemia ( RIHA ) .
 Chemical: ribavirin; Disease: hemolytic anemia; Disease: RIHA
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: hemolytic anemia; Disease: RIHA