SHARAFULLAYEVICH, Saidov Shoxrullo; AZAMATOVICH, Ismoilov Xasan. Collagen and Elastin Changes in Degenerative Diseases of Heart Valves. International Journal of Alternative and Contemporary Therapy, [S. l.], v. 4, n. 2, p. 70–72, 2026. Disponível em: https://medicaljournals.eu/index.php/IJACT/article/view/2666. Acesso em: 20 feb. 2026.