The blood is centrifuged and the resulting plasma is treated according to {HEAD ~ Cohn} for {TAIL ~ precipitation} of fraction I, i.e. is cooled and an ethanol buffer mixture is added, pH being maintained at 7.0 7.4, preferably about 7.2 
for
The blood is centrifuged and the resulting plasma is treated according to { HEAD ~ Cohn } for { TAIL ~ precipitation } of fraction I , i.e. is cooled and an ethanol buffer mixture is added , pH being maintained at 7.0 7.4 , preferably about 7.2
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH