For citations:
Shchaeva S.Т., Efron A.G., Magidov L.A., Volynets L.I. Overall survival in elderly patients with acute complications of colorectal cancer. Koloproktologia. 2021;20(3):62-70. (In Russ.) https://doi.org/10.33878/2073-7556-2021-20-3-62-70