Vesicular lesions of the oral mucosa.
D004892:Erythema Multiforme; D005882:Gingival Diseases; D006560:Herpes Labialis; D006801:Humans; D008010:Lichen Planus; D009059:Mouth Diseases; D010392:Pemphigus; D013280:Stomatitis; D013281:Stomatitis, Aphthous