title: Hair follicle involvement in bullous pemphigoid.
mesh_terms: D000368:Aged; D005260:Female; D005455:Fluorescent Antibody Technique; D006197:Hair; D006801:Humans; D012871:Skin Diseases / Q000473:pathology*; D012872:Skin Diseases, Vesiculobullous / Q000188:drug therapy / Q000473:pathology*