Comparative Study Between Early versus Late Intraperitoneal Administration of Either Bupivacaine/Tramadol or Bupivacaine/Dexmedetomidine for Perioperative Analgesia in Abdominal Laparoscopic Cancer Surgeries: A Prospective Randomized Study.
Ehab H ShakerMahmoud S SolimanAyman HanafyWalaa Y ElsabeenyPublished in: Journal of pain research (2022)
https://clinicaltrials.gov/ct2/show/NCT04813016.