title: Accidental dural puncture: immediate or delayed blood patch.
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D001769:Blood; D004388:Dura Mater / Q000293:injuries*; D004824:Epidural Space; D005260:Female; D006261:Headache / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007267:Injections; D007744:Obstetric Labor Complications / Q000628:therapy; D011247:Pregnancy