Assertion: muscular dystrophy's type | /r/HasProperty | emery dreifuss
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text: The types more typically seen in a school environment would include Duchenne (onset from around age 2-6 years), Becker (onset from ages 2-16 years), congenital (from birth), Emery Dreifuss (childhood to teens) and Fascioscapulohumeral (teens to adulthood).