Significance of the Echocardiographic Assessment of Longitudinal Left Ventricular Systolic Function in Children and Adolescents with Hypertrophic Cardiomyopathy. - Kalanj, Jasna; Jovanovic, Ida; Djukic, Milan; Parezanovic, Vojislav; Stefanovic, Igor; Bijelic, Maja; Pavlovic, Andrija; Cukanovic, Nadja; Zekovic, Luka; Jovanovic, Ivana; Tesic, Milorad (Journal of Clinical Medicine, 2026)