Assertion: coronary artery spasm | /r/AtLocation | coronary arteries
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Coronary artery spasm often occurs in coronary arteries that have not already become blocked with fatty patches or plaques (atheroma).
text: However, coronary artery spasm can also occur in coronary arteries that are already partially blocked with atheroma.