title: Separation of rat leukocytes by countercurrent distribution in aqueous two-phase systems. I. Characterization of subpopulations of cells.
mesh_terms: D000818:Animals; D002469:Cell Separation / Q000379:methods*; D003377:Countercurrent Distribution; D005260:Female; D005455:Fluorescent Antibody Technique; D007962:Leukocytes / Q000166:cytology* / Q000276:immunology; D008213:Lymphocyte Activation; D008297:Male; D051381:Rats; D011914:Rats, Inbred BN; D011920:Rats, Inbred WF; D011947:Receptors, Antigen, B-Cell
chemical_list: D011947:Receptors, Antigen, B-Cell