Barkova, M. E., V. V. Sharykin, A. R. Kupina, V. P. Rozumeiko, and O. N. Kolesova. “COVID-19 SPECIFICITY IN THE POSTPARTUM PERIOD (a Clinical Case)”. Kremlin Medicine Journal, no. 2, June 2021, pp. 70-77, https://kremlin-medicine.ru/index.php/km/article/view/1561.