KC, Nagendra Bahadur, and Dinesh Pokhrel. “Sedation With Combination of Midazolam, Pentazocine and Propofol for Colonoscopy in Outdoor Patients”. Medical Journal of Shree Birendra Hospital, vol. 11, no. 2, Apr. 2013, pp. 7-9, https://nepjol.info/index.php/MJSBH/article/view/7900.