O. Kucukakkas, T. Aydin, and M. Ali Gultekin, “Ultrasonographic evaluation of gastrointestinal system involvement in chronic inflammatory rheumatic diseases ”, Ann Med Res , vol. 27, no. 6, pp. 1776–1785, May 2021, Accessed: Sep. 16, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/800