Background: Lower serum vitamin D levels, a major public health problem worldwide, has been found to be associated with various infectious diseases, cancers, autoimmune and dermatological diseases.

We report a retrospective series of five patients with recurrent aphthous stomatitis who were treated with apremilast (standard induction over a period of 5 days, followed by a dose of 30 mg twice ...

This cross-sectional study complied with the tenets of the Declaration of Helsinki and was approved by the Ethical Committee of Atatürk University, Erzurum, Turkey. Written informed consent was ...