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A ( CTG ) nexpansion in the 3 - untranslated region ( UTR ) of the DM protein kinase gene ( DMPK ) is responsible for causing myotonic dystrophy ( DM ) .
 Disease: myotonic dystrophy; Disease: DM
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: myotonic dystrophy; Disease: DM