Aytimova G.Y, Alimboyeva S.H, and Nodirbekova M.U. 2025. “IMPORTANCE OF ULTRASOUND EXAMINATION IN VALVULAR INSUFFICIENCY OF THE INTERNAL JUGULAR VEINS ”. Ta’lim Innovatsiyasi Va Integratsiyasi 45 (3): 183-89. https://scientific-jl.com/tal/article/view/15238.