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

The effect of two doses of tramadol hydrochloride on fentanyl induced Cough: A double-blinded, randomized, controlled study

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

Multimodal analgesia after upper limb orthopedic surgeries: Patient controlled intravenous low dose tramadol analgesia with or without intravenous acetaminophen – A comparative s

Effect of chronic preoperative tramadol abuse on paravertebral block following thoracotomy

Licorice versus ketamine gargle for postoperative sore throat due to insertion of a double-lumen endobronchial tube

The effect of intraoperative tramadol on post-operative opioid requirements after laparoscopic sleeve gastrectomy for morbidly obese patients: A retrospective multicentric cohort

A prospective comparative study between tramadol, lidocaine and placebo in subcutaneous wound infiltration for postoperative pain relief in cesarean section

Comparative study between the effect of Diclofenac and Ketorolac in post-tonsillectomy pain management

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