title: An avoidable cause of inadvertent dural puncture.
authors.forename: A J
authors.initials: AJ
authors.lastname: Ball
mesh_terms: D000328:Adult; D015360:Analgesia, Epidural / Q000009:adverse effects*; D016362:Analgesia, Obstetrical / Q000009:adverse effects*; D004388:Dura Mater / Q000293:injuries*; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D011247:Pregnancy