Verbovoy, D. N., F. V. Morgunov, M. S. Petrova, V. V. Boyarincev, V. V. Maltsev, and N. A. Amosova. 2021. “SANITARY AND EPIDIMIOLOGICAL SERVICE IN MAIN MEDICAL DEPARTMENT OF THE PRESIDENTIAL ADMINSTRATION OF THE RUSSIAN FEDERATION UNDER THE INCREASED RISK OF NEW CORONAVIRUS INFECTION (COVID-19) SPREAD”. Kremlin Medicine Journal, no. 2 (June), 4-9. https://kremlin-medicine.ru/index.php/km/article/view/1550.