Density gradient fractionation of antibody forming cells.
D000818:Animals; D000917:Antibody Formation; D002469:Cell Separation; D002499:Centrifugation, Density Gradient / Q000379:methods; D005260:Female; D008214:Lymphocytes / Q000166:cytology / Q000276:immunology*; D008297:Male; D051379:Mice; D008808:Mice, Inbred CBA