Bhandari, Sandip, Madindra Basnet, Gentle Sunder Shrestha, and Modh Nath Marhatta. 2015. “Oral Clonidine in Reduction of Postoperative Nausea and Vomiting After Laparoscopic Cholecystectomy: A Double Blinded Placebo Controlled Trial”. Journal of Society of Anesthesiologists of Nepal 1 (2):76-79. https://doi.org/10.3126/jsan.v1i2.13574.