Methods:TFPI antigen (TFPI: Ag) and TFPI activity (TFPI:A) were measured by enzyme linked inmunosorbent assay and chromogenic peptide substrated method, respectively.
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- 方法:TFPI抗原(TFPI:Ag)测定采用双夹心ELISA抗原测定法,TFPI活性(TFPI:A)测定采用发色底物法。