title: Do antigen-specific helper factors in rabbit lack V-region Ig determinants?
mesh_terms: D000818:Animals; D001666:Binding Sites, Antibody; D000939:Epitopes; D007135:Immunoglobulin Variable Region; D007163:Immunosorbent Techniques; D008211:Lymphocyte Cooperation; D011817:Rabbits / Q000276:immunology*
chemical_list: D000939:Epitopes; D007135:Immunoglobulin Variable Region