The present invention relates to a method for measuring the activity of a tested substance towards the production of {TAIL ~ the blood coagulation factor} XII in {HEAD ~ an active form} 
The present invention relates to a method for measuring the activity of a tested substance towards the production of { TAIL ~ the blood coagulation factor } XII in { HEAD ~ an active form }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD