Hasanova D.A, and Barnoev A.I. “CHANGES IN THE SMALL INTESTINE IN PULMONARY FIBROSIS. THE BODY’S RESPONSE TO EXPERIMENTAL PULMONARY FIBROSIS”. World Bulletin of Public Health, vol. 17, Dec. 2022, pp. 128-9, https://scholarexpress.net/index.php/wbph/article/view/1863.