“The State of Cancer Care in Russia: Breast Cancer Among the Female Population. Year-by-Year Lethality, Median Survival, Survival of Patients With Cancer. (Population Study at the Federal District Level)”. Voprosy Onkologii, vol. 68, no. 3, July 2022, pp. 294-02, https://doi.org/10.37469/0507-3758-2022-68-3-294-302.