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

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

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

Safety and efficacy of ketamine-dexmedetomidine combination versus dexmedetomidine alone in cirrhotic patients undergoing upper gastrointestinal endoscopy: a prospective controll

Effects of adding ketamine to dexmedetomidine on smooth recovery from isoflurane anesthesia in adults undergoing endoscopic sinus surgery

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

Dexmedetomidine versus ketofol for moderate sedation in Endoscopic Retrograde Cholangiopancreatography (ERCP) comparative study

Ketamine/propofol versus fentanyl/propofol for sedating obese patients undergoing endoscopic retrograde cholangiopancreatography (ERCP)