Assertion: angina | /r/HasProperty | 13.7%
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Source sentences:
text: Given such data, it was found that vasospastic angina was present in 921 of 2,251 patients (40.9%) with angina pectoris and 126 of them (13.7%) had untreatable angina, the treatment of such patients involving the use of two different classes of calcium channel blockers, with nitrate and/or Nicorandil (Takagi et al 2013).