title: Fusion of in vitro immunized lymphoid cells with X63Ag8.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D001001:Anura; D002459:Cell Fusion; D002460:Cell Line; D006801:Humans; D006822:Hybrid Cells / Q000276:immunology; D007114:Immunization; D008214:Lymphocytes; D051379:Mice; D010954:Plasmacytoma; D013154:Spleen / Q000166:cytology