Left ventricular outflow obstruction occurs immediately after exercise in patients with non-obstructive hypertrophic cardiomyopathy. - Jong-Youn Kim; Eui-Young Choi; Wonho Kim; Se-Joong Rim; Kim, Jong-Youn; Choi, Eui-Young; Kim, Wonho; Rim, Se-Joong (Reviews in Cardiovascular Medicine, 2021)