2006 - Vol. 56 / Issue 6
Hypobaric 0.15% bupivacaine versus hyperbaric 0.5% bupivacaine for posterior (dorsal) spinal block in outpatient anorectal surgery
Luiz Eduardo Imbelloni; Eneida Maria Vieira; M. A. Gouveia; João Gomes Netinho; José Antonio Cordeiro
