O. Skakun, Y. . Vandzhura, I. . Vandzhura, K. . Symchych, and A. . Symchych, “Atrial Undersensing-Associated Premature Atrial Contractions: A Case Report”, Scr Med, vol. 55, no. 4, pp. 517–520, Aug. 2024, doi: 10.5937/scriptamed55-50862.