Assertion: angina's symptom | /r/HasProperty | occurs
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Source sentences:
text: Symptoms of angina include chest discomfort, aching, pressure/squeezing, bandlike sensation, tightness, constriction, or fullness; sensation of heavy weight on chest; strangling sensation; burning in chest or elsewhere; knot in center of chest; lump in throat; and toothache.1 Ischemia occurs when blood flow is reduced or cannot be increased.