INTERNATIONAL JOURNAL OF DERMATOLOGY, vol.56, no.3, pp.302-306, 2017 (SCI-Expanded)
Background Recurrent aphthous stomatitis (RAS) is a common disease of the oral mucosa with an unknown etiology. This study aimed to determine if food additives play a role in the etiology of RAS as well as to determine if patch testing can be used to detect which allergens cause RAS.