1051
Over the following 9 days , the symptoms improved and plasma bilirubin levels were normal after 12 weeks without methimazole .
 Chemical: bilirubin; Chemical: methimazole
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: bilirubin; Chemical: methimazole