title: Application of the biotin-avidin system for ultrastructural identification of suppressor/cytotoxic lymphocytes in oral lichen planus.
mesh_terms: D000911:Antibodies, Monoclonal; D001360:Avidin; D001710:Biotin; D003602:Cytotoxicity, Immunologic; D006801:Humans; D007124:Immunoenzyme Techniques; D008010:Lichen Planus / Q000276:immunology*; D008854:Microscopy, Electron; D009059:Mouth Diseases / Q000276:immunology*; D010047:Ovalbumin / Q000031:analogs & derivatives*; D013194:Staining and Labeling / Q000379:methods; D050378:T-Lymphocytes, Regulatory / Q000648:ultrastructure*
chemical_list: D000911:Antibodies, Monoclonal; D001360:Avidin; D001710:Biotin; D010047:Ovalbumin