title: Extradural blood patch.
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D001769:Blood; D002045:Bupivacaine / Q000008:administration & dosage*; D005260:Female; D006261:Headache / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007744:Obstetric Labor Complications / Q000209:etiology / Q000628:therapy*; D011247:Pregnancy
chemical_list: D002045:Bupivacaine