![Direct immunoflorescence](https://www.nationalelfservice.net/cms/wp-content/uploads/2022/08/HSP_IF_IgA-150x150.jpg)
In this blog Iris Vaid looks at a review of chronic ulcerative stomatitis (CUS) a rare mucous membrane condition that presents clinically as non-specific ulcerated or erosive lesions. The review included 81 cases reported in 25 papers.
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