The Importance of Speckle Tracking Echocardiography Evaluating of Nonobstructive Coronary Artery Stenosis and Its Correlation with Microvascular Angina. - Kristina Morkunaite; Tautvydas Platukis; Egle Rumbinaite; Ramunas Unikas; Darijus Skaudickas; Marcel Abras; Vincentas Veikutis; Narseta Mickuviene (Informatica, 2020)