values for vii : ag obtained for plasma samples from normal subjects ( n = 20 ) , patients with liver disease ( n = 20 ) , patients treated with warfarin ( n = 20 ) , and those congenitally deficient in factor vii ( n = 7 ) correlated very well ( r = 0.96 ) with data obtained in a radioimmunoassay using polyclonal rabbit antiserum to factor vii .
C0023895
liver
C0043031
warfarin