title: [Premenstrual oral ulceration].
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008597:Menstrual Cycle; D011293:Premenstrual Syndrome / Q000209:etiology*; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000453:epidemiology / Q000209:etiology*