Szyprowski, Karol, et al. “ENDOCARDIAL INVOLVEMENT IN SYSTEMIC AUTOIMMUNE DISEASES: PATHOPHYSIOLOGY, CLINICAL MANIFESTATIONS, AND MANAGEMENT”. International Journal of Innovative Technologies in Social Science, vol. 5, no. 2(50), June 2026, https://doi.org/10.31435/ijitss.2(50).2026.5388.