Bulanov, A.Y., Simarova, I.B., Bulanova, E.L., Siniavkin, D.O., Feklistov, A.Y., Rabotinsky, S.E. and Katrish, S.A. 2020. New coronavirus infection COVID-19: clinical and prognostic significance of plasma fibrinogen level. Annals of Critical Care. 4 (Nov. 2020), 42–47. DOI:https://doi.org/10.21320/1818-474X-2020-4-42-47.