Delayed Horner's syndrome following obstetric extradural block.
D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D005260:Female; D006732:Horner Syndrome / Q000209:etiology*; D006801:Humans; D011247:Pregnancy