Khan, R. M., N. Kaul, and P. H. Neelakanthan. “Fentanyl and Midazolam Induced Respiratory Arrest and Neuromuscular Paralysis During Day Care Surgery : A Case Report”. Sultan Qaboos University Medical Journal, vol. 10, no. 2, Aug. 2010, pp. 255-7, https://journals.squ.edu.om/index.php/squmj/article/view/1502.