00683naa#a2200217#i#450# EN\\bibl\57167 20240503055244.5 2712-8164 20221229b2022####ek#y0engy0150####ca RU CHOLELITHIASIS AND ACUTE CHOLECYSTITIS DURING THE PANDEMIC OF THE NEW CORONAVIRUS INFECTION COVID-19 Journal article Astrakhan Astrakhan State Medical University 2022 6 с. Journal article local Us Olga A. Panin Stanislav I. Chepurina Natalia G. Poluosmak Alexey B. Kosivtsov Oleg A. Bublikov Alexander E. kaspmed.ru