For citations:

Klimentov M.I., Styazhkina S.N., Koposov E.L., Valiev R.R., Salikhova N.R. Foreign body (gallstone) in the rectum under the mask of a fecal stone. Experimental and Clinical Gastroenterology. 2024;(11):215-220. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-231-11-215-220