title: Total spinal anesthesia late in the course of obstetric bupivacaine epidural block.
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D002045:Bupivacaine; D002404:Catheterization; D005260:Female; D006801:Humans; D011247:Pregnancy; D013346:Subarachnoid Space
chemical_list: D002045:Bupivacaine