title: Unilateral analgesia following epidural and subarachnoid block.
mesh_terms: D000698:Analgesia; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D009407:Nerve Block; D011247:Pregnancy; D013346:Subarachnoid Space