“HISTOLOGICAL STRUCTURE OF THE IMMUNE SYSTEM ORGANS (THYMUS, LYMPH NODES, SPLEEN) AND AGE-RELATED CHANGES”, SIAD, vol. 3, no. 5, pp. 59–64, May 2026, Accessed: May 18, 2026. [Online]. Available: https://universalpublishings.com/index.php/siad/article/view/18308