title: [Ultrastructural observations on the basement membrane in oral lichen planus].
mesh_terms: D000328:Adult; D000818:Animals; D001485:Basement Membrane / Q000648:ultrastructure; D005260:Female; D006801:Humans; D008010:Lichen Planus / Q000473:pathology*; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000648:ultrastructure*