Assertion: rheumatoid arthritis | /r/HasAspect | periods of flare-ups
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Rheumatoid arthritis often has periods of flare-ups followed by remission, although the most severe form is persistent and can last a lifetime.
text: Rheumatoid arthritis often has periods of flare-ups followed by remission, although the most severe form is persistent and can last a lifetime.