For citations:
Korolyov M.P. Commentary on the article by V. K. Koryttsev et al. «Acute duodenal obstruction is a rare complication of gallstone disease». Grekov's Bulletin of Surgery. 2021;180(5):99-100. (In Russ.) https://doi.org/10.24884/0042-4625-2021-180-5-99-100