title: A paucity of cases.
authors: M N
authors: MN
authors: Pemberton
authors: B P
authors: BP
authors: Rajlawat
mesh_terms: D003937:Diagnosis, Differential; D004892:Erythema Multiforme / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008047:Lip Diseases / Q000209:etiology*; D013283:Stomatitis, Herpetic / Q000150:complications* / Q000175:diagnosis; D000267:Tissue Adhesions / Q000209:etiology*