title: Sequential use of hapten-gelatin fractionation and fluorescence-activated cell sorting in the enrichment of hapten-specific B llymphocytes.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D001402:B-Lymphocytes / Q000276:immunology*; D002469:Cell Separation / Q000379:methods*; D005455:Fluorescent Antibody Technique; D005856:Germ-Free Life; D051379:Mice; D008815:Mice, Inbred Strains; D013154:Spleen / Q000276:immunology