Villanueva, A., S. Nabizadeh, D. Nandakumar, and F. R. Jahangiri. “Electroencephalography for Detecting and Predicting Postoperative Delirium: A Systematic Review of Clinical Utility”. J of Neurophysiological Monitoring, vol. 4, no. 1, Mar. 2020, pp. 1-14, doi:10.5281/zenodo.19222868.