The prognostic role of microvascular resistance reserve: A systematic review and meta-analysis. - Dimitriadis, Kyriakos; Pyrpyris, Nikolaos; Sakalidis, Athanasios; Beneki, Eirini; Chrysohoou, Christina; Aznaouridis, Konstantinos; Tsioufis, Konstantinos (Cardiovascular Revascularization Medicine, 2026)