Effect of tramadol on fentanyl induced cough: A double-blind, randomized, controlled study

Effect of tramadol gargle on postoperative sore throat: A double blinded randomized placebo controlled study

Effect of tramadol as a local anesthetic adjuvant in epidural labor analgesia: Randomized controlled study

Anti-shivering effect of intrathecal tramadol versus intravenous tramadol in patients Received spinal anesthesia for lower limb surgery. A randomized controlled clinical trial

Dextromethorphan reduced fentanyl induced cough and stress hormones release. A randomized double blind controlled study

TRAMADOL VERSUS FENTANYL INFUSION DURING ANAESTHESIA; HAEMODYNAMIC EFFECTS, POSTOPERATIVE ANALGESIA AND OUTCOME

Suppression of fentanyl-induced cough. A priming dose of intravenous dexmedetomidine–magnesium sulfate: A double blind, randomized, controlled study

Ketamine versus Tramadol for Analgesia in Spontaneous Vaginal Delivery: A Randomized Clinical Trial

Premedication with Oral Midazolam Suppress Fentanyl- Induced Cough in Children: A Randomized Double-Blind Trial

Effect of Tramadol versus Ketamine on Post-Spinal Anesthesia Shivering in Lower Limb Surgeries