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Nullizygous ( - / - ) mice showed only inconsistent and minor size changes in head and neck muscle fibres at older age , animals with the highest DMPK transgene expression showed hypertrophic cardiomyopathy and enhanced neonatal mortality .
 Disease: hypertrophic cardiomyopathy
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: hypertrophic cardiomyopathy