Assertion: classical angina | /r/HasProperty | described by dr. heberden
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text: This variant angina differed from the classical angina described by Dr. Heberden in that it appeared due to episodic vasospasm of coronary arteries that were typically not occluded by pathological processes such as atherosclerosis, emboli, or spontaneous dissection (i.e. tears in the walls of coronary arteries).