For citations:
Titaeva E.V., Dobrovolsky A.B. Chromogenic anti-Xa test: the ratio between heparin activity units and concentration of apixaban and rivaroxaban. Aterotromboz = Atherothrombosis. 2020;(2):96-104. (In Russ.) https://doi.org/10.21518/2307-1109-2020-2-96-104

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