Assertion: muscular dystrophy's onset | /r/AtLocation | teenage years
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Onset usually occurs in the teenage years but can begin in childhood or as late as age 50.
text: Onset usually occurs in the teenage years but can begin in childhood or as late as age 50.
text: Onset usually occurs in the teenage years but can begin in childhood or as late as age 50.
text: Onset usually occurs in the teenage years but can begin in childhood or as late as age 50.