Assertion: muscular dystrophy's progression | /r/CapableOf | span 50 to 60 years
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Myotonic 20 to 40 years Age at onset Age at onset Symptoms include weakness of all muscle groups accompanied by delayed relaxation of muscles after contraction; affects face, feet, hands, and neck first; progression is slow, sometimes spanning 50 to 60 years.
text: Symptoms include weakness of all muscle groups accompanied by delayed relaxation of muscles after contraction; affects face, feet, hands, and neck first; progression is slow, sometimes spanning 50 to 60 years.