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

Preemptive epidural neostigmine morphine versus epidural morphine in lumbar spine surgery : Comparative study

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

Ropivacaine in pediatric axillary brachial plexus block : A compartive study

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

Ropivacaine versus bupivacaine in paediatric epidural anesthesia using a new technique

Evaluation of a new technique of continuous interscalene brachial plexus block with 0.5%, 0.75% ropivacaine : A double blind comparison with 2% mepivacaine

Comparison between combined spinal epidurl analgesia during labor using ropivacaine and sufentanil versus bupivacaine and sufentanil

Comparison of spinal levobupivacaie wit racemic bupivacaine for lower abdominal surgery

The impact of thoracic epidural ropivacaine versus fentanyl on the cardiovascular and respiratory functions after lung resection