title: The pathogenesis of lichen planus.
mesh_terms: D000818:Animals; D006684:HLA-DR Antigens / Q000276:immunology; D006801:Humans; D007371:Interferon-gamma / Q000276:immunology; D008010:Lichen Planus / Q000276:immunology*; D012867:Skin / Q000276:immunology
chemical_list: D006684:HLA-DR Antigens; D007371:Interferon-gamma