Modifies a noun

• gene: No difference was observed in the prevalence of mutation C677T in the MTHFR gene or in polymorphism G20210A in the prothrombin gene.

• complex: Simultaneous use of prothrombin complex concentrates, activated or not, should be avoided.

• mutation: The relative risks calculated for these mutations were 9.3 for Factor V Leiden and 15.2 for the G20210A prothrombin mutation.

• activator: Thrombin is formed from prothrombin by a prothrombin activator, itself the end of a series of reactions.

• rate: Among usual investigations, tests which reflect protein synthesis, particularly prothrombin rate, are most relevant.