Effect of small dose ketamine on morphine requirement after intestinal surgery: A randomized controlled trial

Hemodynamic Effects of Ketamine Compared with Propofol as Continuous ICU Sedation in Mechanically Ventilated Patients: A Randomized Controlled Clinical Study

A randomized comparative study of two different concentrations of ketamine and propofol combination in upper gastrointestinal endoscopy procedures

COMPARATIVE STUDY BETWEEN KETAMINE AND PROPOFOL COMBINATION VERSUS PROPOFOL ALONE FOR SEDATION OF PATIENTS UNDERGOING UPPER GASTROINTESTINAL TRACT ENDOSCOPY

Ketamine–propofol versus ketamine fentanyl for anesthesia in pediatric patients undergoing cardiac catheterization: A prospective randomized study

Effect of low dose ketamine versus dexmedetomidine on gag reflex during propofol based sedation during upper gastrointestinal endoscopy. A randomized controlled study

A Comparative Study between Use of Propofol-Ketamine and Propofol-Fentanyl in Total Intravenous Anesthesia for Laparoscopic Surgeries

A comparative study between propofol–ketamine and propofol–fentanyl for sedation during pediatric diagnostic upper gastrointestinal endoscopy

Preemptive Ketamine in Abdominal Hysterectomy Patients, Does the Route of Administration Affect Analgesia and Hemodynamics? A Prospective Randomized Controlled Trial

Dexmedetomidine-ketamine versus propofol-ketamine for sedation during upper gastrointestinal endoscopy in hepatic patients (a comparative randomized study)