For citations:

Alyangin V.G., Sataev V.U., Viktorov V.V., Nizhevich A.A., Latypova G.G. Features of diagnosis of cholelithiasis in children. Experimental and Clinical Gastroenterology. 2019;(11):59-63. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-171-11-59-63