factor vii protein obtained by this method has only 1.3 to 1.5 times more activity in a one-stage clotting assay than in a coupled amidolytic assay ( seligsohn , u. , osterud , b. , and rapaport , s. i . ( 1978 ) blood 52 , 978-988 ) , which is taken to mean than it contains less than 5 % of activated factor vii .
C0015502
factor vii
C0005778
clotting