1183
However , 10 of 37 patients with reduction of ribavirin could not continue combination therapy because their < 8 . 5 g / dl hemoglobin values decreased to or anemia - related severe side effects occurred ( group B ) .
 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