title: [Studies on lichen planus].
mesh_terms: D000328:Adult; D000368:Aged; D004848:Epithelium / Q000473:pathology; D006801:Humans; D007962:Leukocytes / Q000473:pathology; D008010:Lichen Planus / Q000473:pathology*; D008214:Lymphocytes / Q000473:pathology; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*
vernacular_title: Przyczynek do badań nad liszajem płaskim.