title: Theories of antibody diversity: the great debate.
mesh_terms: D000906:Antibodies; D000917:Antibody Formation; D000918:Antibody Specificity; D005075:Biological Evolution; D002999:Clone Cells; D003434:Crossing Over, Genetic; D005333:Fetus; D005865:Gestational Age; D007128:Immunoglobulin Fragments; D009154:Mutation; D009690:Nucleic Acid Conformation; D013045:Species Specificity
chemical_list: D000906:Antibodies; D007128:Immunoglobulin Fragments