G.T. Mamedova. “EXTRASYSTOLE: ELECTROPHYSIOLOGICAL MECHANISMS, CAUSES, CLINICAL SIGNIFICANCE”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ 47, no. 2 (June 11, 2024): 187–193. Accessed June 29, 2025. https://newjournal.org/01/article/view/14814.