More particularly, it relates to a method of measuring the activity of {HEAD ~ a substance} which inhibits or promotes {TAIL ~ the production} of the blood coagulation factor XII 
More particularly , it relates to a method of measuring the activity of { HEAD ~ a substance } which inhibits or promotes { TAIL ~ the production } of the blood coagulation factor XII
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH