Assertion: ankylosing spondylitis | /r/HasProperty | uncommon
Facets:
value: relatively
type: DEGREE
Source sentences:
text: Ankylosing spondylitis also tends to be a younger person's illness as onset for AS after the age of forty is somewhat uncommon
text: Ankylosing spondylitis is a relatively uncommon disease that usually strikes in the late teens and early adulthood.
text: Ankylosing spondylitis is considered a common condition, affecting 2 to 3 million Americans with around 20,000 new diagnoses each year.