Rheumatic diseases in intensive care unit patients with COVID-19. Issue 2 (20th May 2020) - Moiseev, Sergey; Avdeev, Sergey; Brovko, Michail; Yavorovskiy, Andrey; Novikov, Pavel I; Umbetova, Karina; Akulkina, Larisa; Tsareva, Natal'ya; Fomin, Victor