Assertion: pericarditis's chest pain | /r/CreatedBy | a heart attack
Facets:
Source sentences:
text: But your chest pain could be caused by something more serious, like a heart attack.
text: But your chest pain could be caused by something more serious, like a heart attack.
text: But your chest pain could be caused by something more serious, like a heart attack .
text: But your chest pain could be caused by something more serious, like a heart attack .