For citations:
Ponomarev A.V., Cherkasov M.F., Bondarenko V.A., Turbin M.V., Krasenkov Y.V., Melikova S.G., Bondarenko I.V. Clinical «mask» in acute cholecystitis. Moscow Surgical Journal. 2021;(4):30-34. (In Russ.) https://doi.org/10.17238/2072-3180-2021-4-30-34