Unilateral spinal anesthesia for inguinal hernia repair: a prospective, randomized, double-blinde comparison of bupivacaine, levobupivacaine, or ropivacaine: 151.
Unilateral spinal anesthesia for inguinal hernia repair: a prospective, randomized, double-blinde comparison of bupivacaine, levobupivacaine, or ropivacaine: 151.