Lichen planus and bullous pemphigoid.
D000368:Aged; D005455:Fluorescent Antibody Technique; D006801:Humans; D008010:Lichen Planus / Q000150:complications / Q000473:pathology*; D008297:Male; D010391:Pemphigoid, Bullous / Q000150:complications / Q000473:pathology*; D012872:Skin Diseases, Vesiculobullous / Q000473:pathology*