{TAIL ~ The resulting precipitation} is separated by centrifugation and the supernatant liquid is in principle further treated according to {HEAD ~ Cohn} for precipitation of fraction II+III 
{ TAIL ~ The resulting precipitation } is separated by centrifugation and the supernatant liquid is in principle further treated according to { HEAD ~ Cohn } for precipitation of fraction II+III
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH