For citations:
Lakman I.A., Gareeva D.F., Sadikova L.F., Agapitov A.A., Davtyan P.A., Kayumova V.L., Timiryanova V.M., Zagidullin N.Sh. Long-term mortality in different COVID-19 variants: 18-month follow-up. Russian Journal of Cardiology. 2023;28(12):5672. (In Russ.) https://doi.org/10.15829/1560-4071-2023-5672. EDN: DJMEOQ