Effects of suspected foodstuff challenging agents in the etiology of recurrent aphthous stomatitis.


Two hundred eighteen professional students were surveyed to uncover any association of recurrent aphthous stomatitis (RAS) with a history of allergic diathesis. No significant relationship was uncovered. From this population approximately equal numbers of RAS-positive and RAS-negative subjects were challenged with suspected foodstuff agents thought to have… (More)


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