Comparative Study between Opioid-Free Anesthesia and Opioid-Based Anesthesia in Obese Patients Undergoing Abdominal Laparoscopic Surgery? Effective and Safe Analgesia Challenge:

Opioid free multimodal analgesia versus opioid based analgesia in bariatric surgery outcome

Comparative study between the effect of opioid-free anesthesia versus opioid-based anesthesia in morbid obese patients

Opioid Free Anesthesia in Laparoscopic Cholecystectomy (Comparative Clinical Study)

Opioid-free general anaesthesia for transthoracic oesophagectomy: does it improve postoperative analgesia and other recovery criteria? A prospective randomised study

Comparing Different Modalities of Opioid Free Anesthesia for Laparoscopic Cholecystectomy

Opioid free anesthesia in patients undergoing three-ports laparoscopic cholecystectomy

Nonopioid versus Opioid Based General Anesthesia Technique for Laparoscopic Cholecystectomy

Opioid Free Anesthesia versus Opioid Based Anesthesia for Hemodynamic Stability in Geriatric Patients Undergoing Arthroscopic Shoulder Surgery, A Randomized Comparative Study

Comparison Study between Opioid Free and Opioid Based General Anesthesia in Functional Endoscopic Sinus Surgeries