Roy, Amrita, Suman Sarkar, Anirban Chatterjee, and Anusua Banerjee. 2017. “A Comparative Study Between Dexmedetomidine and Propofol for Maintaining Depth of Anesthesia in Elective Craniotomy: A Prospective Randomized Double Blind Study”. International Journal of Research in Medical Sciences 3 (11):3238-44. https://doi.org/10.18203/2320-6012.ijrms20151169.