Assertion: rheumatic fever | /r/HasAspect | a peak of incidence
Facets:
Source sentences:
text: Rheumatic fever is more frequent among children and adolescents between the ages 5 and 15, and has a peak of incidence around the ages of 8 to 9 years.
text: Rheumatic fever is more frequent among children and adolescents between the ages 5 and 15, and has a peak of incidence around the ages of 8 to 9 years.