Forty per cent of patients undergoing angiography to investigate exertional chest pain have normal coronary arteries. While described for nearly half a century, this condition has remained a mechanistic enigma.[1–2][1]… Click to show full abstract
Forty per cent of patients undergoing angiography to investigate exertional chest pain have normal coronary arteries. While described for nearly half a century, this condition has remained a mechanistic enigma.[1–2][1] Diminished coronary blood flow augmentation to a pharmacological vasodilator,
               
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