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. 2019 Dec 13;12(12):e008126. doi: 10.1161/CIRCINTERVENTIONS.119.008126

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© 2019 The Authors.

Circulation: Cardiovascular Interventions is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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Figure 2. — Invasive assessment for coronary vasomotion disorders in angina. A, Shows different diagnoses within ischemia and no obstructive coronary artery disease (INOCA) population while (B) shows the heterogenous nature of microvascular angina. ACh indicates acetylcholine; CFR, coronary flow reserve; IDP, interventional diagnostic procedure; IMR, index of microcirculatory resistance (abnormal ≥25); MVA, microvascular angina; and VSA, vasospastic angina.