5386
The onset of antineutrophil cytoplasmic antibody - associated vasculitis immediately after methimazole was switched to propylthiouracil in a woman with Graves ' disease who wished to become pregnant .
 Chemical: methimazole; Chemical: propylthiouracil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: methimazole; Chemical: propylthiouracil