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PATIENTS : We investigated 102 untreated patients with hyperthyroidism due to Graves ' disease for the presence of MPO - ANCA , and for the development vasculitis after starting PTU therapy .
 Disease: hyperthyroidism; Disease: Graves ' disease; Disease: vasculitis; Chemical: PTU
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:
 Disease: hyperthyroidism; Disease: Graves ' disease; Disease: vasculitis; Chemical: PTU