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