For citations:
Beketova T.V., Levina N.O., Ladygina D.O., Babak V.V., Beketova M.F., Krasnova T.N. Avascular necrosis as a part of post-COVID syndrome. Case reports. Rheumatology Science and Practice. 2022;60(4):420-426. (In Russ.) https://doi.org/10.47360/1995-4484-2022-420-426