Devanand, B., Devaraj, I.C., Vinod, M. and Sundeep Goud, E. 2022. Post-operative cognitive dysfunction in elderly patients undergoing elective orthopaedic lower limb surgeries under central neuraxial anaesthesia. International journal of health sciences. 6, S4 (Apr. 2022), 755–764. DOI:https://doi.org/10.53730/ijhs.v6nS4.5671.