Kalita, R., P. K. Pande, H. Agrawal, and M. Ravikanth. “Effect of Surgical Trauma on Serum Magnesium Levels in the Early Postoperative Period”. International Journal of Research in Medical Sciences, vol. 5, no. 9, Aug. 2017, pp. 3907-11, doi:10.18203/2320-6012.ijrms20173610.