[Comparison of SIgA of patients with recurrent aphthae and normal persons].
D000328:Adult; D005260:Female; D006801:Humans; D007071:Immunoglobulin A, Secretory / Q000032:analysis*; D008297:Male; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000276:immunology*
D007071:Immunoglobulin A, Secretory