Likaj, E., S. Dumani, S. Kuci, E. . Rruci, A. Doko, and A. Refatllari. “Acquired Sub-Aortic Gerbode Defect Following Tricuspid, Aortic, and Mitral Valve Endocarditis”. Open Access Macedonian Journal of Medical Sciences, vol. 11, no. C, Jan. 2023, pp. 16-18, doi:10.3889/oamjms.2023.10117.