Strilchuk, L. M., and Yatsev Yu. М. “Gallbladder Condition in Patients With Rheumatic Fever and Acquired Valve Defects of Rheumatic Origin”. Modern medical technology, no. 1 (April 20, 2021): 70–73. Accessed July 12, 2025. https://medtech.mphu.edu.ua/article/view/295623.