title: Hemophilia B variants.
mesh_terms: D000911:Antibodies, Monoclonal / Q000032:analysis*; D005164:Factor IX / Q000032:analysis / Q000276:immunology*; D002836:Hemophilia B / Q000276:immunology*; D006801:Humans; D007526:Isoelectric Point
chemical_list: D000911:Antibodies, Monoclonal; D005164:Factor IX