A comparative study of the effects of ropivacaine alone and in adjuvant combination with fentanyl, tramadol, ketamine and clonidine for continuous epidural labor analgesia

Levobupivacaine in comparison with bupivacaine in epidural block in abdominal surgery

A comparison between “Levobupivacaine” and both “Bupivacaine” and “Ropivacaine” with and without fentanyl, in epidural anesthesia for lower abdominal surgery

Preemptive epidural analgesia using either ropivacaine or bupivacaine with fentanyl in minimally invasive disectomy

Comparison of spinal levobupivacaie wit racemic bupivacaine for lower abdominal surgery

Intrathecal fentanyl or bupivacaine combined with epidural bupivacaine for labor analgesia : Comparative study

Evaluation of the effect of intrathecal fentanyl with bupivacaine during spinal block

Comparative study for the effect of bupivacaine vs bupivacaine plus dexmedetomidine as analgesia in nasal surgeries

Intrathecal bupivacaine in comparison with a combination of nalbuphine and bupivacaine for subarachnoid block in obstetric, urological and lower orthopedic surgeries

A comparative study of the clinical maternal and fetal effects and the plasma concentrations of 0.5% extradural levobupivacaine versus racemic bupivacaine for cesarean delivery