plasmagel ( cellular products , inc. , buffalo , ny ) , which can separate both polymorphonuclear leukocytes ( pmn ) and mononuclear cells from other blood components , and leucoprep ( becton dickinson immunocytometry systems , mountain view , ca ) , which can separate mononuclear cells from other blood components , were used to harvest leukocytes from whole blood for the purpose of virus isolation .
C0007634
cellular
C1321301
mononuclear cells