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), pp. 755–764. doi: 10.53730/ijhs.v6nS4.5671.