title: [Immunologic observation of recurrent aphthae].
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D007136:Immunoglobulins / Q000032:analysis; D008213:Lymphocyte Activation; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000276:immunology*
chemical_list: D007136:Immunoglobulins