For citations:
Tlish M.M., Sycheva N.L., Osmolovskaya P.S., Psavok F.A. Difficulties of hypocomplementemic urticaria vasculitis diagnostics. Clinical Medicine (Russian Journal). 2021;99(2):134-140. (In Russ.) https://doi.org/10.30629/0023-2149-2021-99-2-134-140