title: Unblocked segments in epidural analgesia for relief of pain in labour.
mesh_terms: D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D000779:Anesthetics, Local; D002045:Bupivacaine; D002254:Carbonates; D002712:Chlorides; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008012:Lidocaine; D059408:Pain Management; D011247:Pregnancy; D011318:Prilocaine; D013748:Tetracaine
chemical_list: D000779:Anesthetics, Local; D002254:Carbonates; D002712:Chlorides; D011318:Prilocaine; D013748:Tetracaine; D008012:Lidocaine; D002045:Bupivacaine