Scientific Article Bloqueio Subdural Seletivo das últimas Raízes Sacras Selective Subdural Block Of The Lower Sacral Roots José Affonso ZuglIani Braz J Anesthesiol, vol.19, n4, p.537-541, 1969 PDF Downloads: 0 Views: 723 5f9d83268e6f1adf058b46ff rba Articles