Assertion: variant angina | /r/HasProperty | precipitated by effort
Facets:
value: most often
type: DEGREE
Source sentences:
text: Prinzmetal's (variant) angina characteristically occurs at rest and may or may not be affected by exertion; however, classical angina, although most often precipitated by effort, may progress to unstable angina, which is characterized by ischemic discomfort at rest.