Postoperative Assessment of Cognitive Dysfunction in Patients Undergoing Transurethral resection of the Prostate under Spinal Anaesthesia: A Prospective Cohort Study oleh Hassaan Muhammed, K Rameshwara Reddy, T Chandra Sekhar, Karanam Sandhya, Nukala Dinesh, A Siva Prasad, Deshavath Manesh Naik, P Greeshma Teja