title: Ultrastructural changes in four cases of lichen sclerosus et atrophicus.
mesh_terms: D000328:Adult; D000368:Aged; D001485:Basement Membrane / Q000473:pathology; D001706:Biopsy; D003094:Collagen / Q000032:analysis; D003593:Cytoplasm; D004549:Elastin / Q000032:analysis; D005260:Female; D006801:Humans; D007801:Langerhans Cells; D008544:Melanocytes; D008854:Microscopy, Electron; D008875:Middle Aged; D012867:Skin / Q000032:analysis; D012871:Skin Diseases / Q000473:pathology*
chemical_list: D003094:Collagen; D004549:Elastin