Research Article
Effect of Adding Ketamine to Pethidine on Postoperative Pain in Patients undergoing Major Abdominal Operations: A Double Blind Randomized Controlled Trial
Department of Anesthesiology, Arak University of Medical Sciences, Arak, Iran
H. Talebi
Department of Anesthesiology, Arak University of Medical Sciences, Arak, Iran
S. Fateh
Department of Surgery, Arak University of Medical Sciences, Arak, Iran
A. Mohammadzadeh
Department of Anesthesiology, Arak University of Medical Sciences, Arak, Iran
P. Eghtesadi-Araghi
Parsteb Pajouheshyar Medical Sciences Research Institute, Tehran, Iran
Z. Ahmadi
Department of Medicine, Arak University of Medical Sciences, Arak, Iran
A. Savarabadi
Department of Medicine, Arak University of Medical Sciences, Arak, Iran
A. Mohebbi
Department of Medicine, Arak University of Medical Sciences, Arak, Iran