title: The pathogenesis of lichen planus.
mesh_terms: D001327:Autoimmune Diseases; D001485:Basement Membrane / Q000378:metabolism; D002196:Capillaries / Q000473:pathology; D006639:Histidine / Q000378:metabolism; D006651:Histocytochemistry; D006801:Humans; D008010:Lichen Planus / Q000139:chemically induced / Q000201:enzymology / Q000209:etiology* / Q000378:metabolism / Q000382:microbiology / Q000473:pathology; D008544:Melanocytes; D008854:Microscopy, Electron; D008938:Mitosis; D009175:Mycoplasma Infections; D012867:Skin / Q000098:blood supply / Q000473:pathology; D013936:Thymidine / Q000378:metabolism; D014777:Virus Diseases
chemical_list: D006639:Histidine; D013936:Thymidine