Singh, M., S. Kumar, P. Dixit, V. Singh, S. Verma, and G. Singh. “The Effect of Celecoxib on Early Postoperative Cognitive Dysfunction in Elderly Patients of Fracture Neck of Femur: A Prospective Randomised Double-Blind Study”. Anaesthesia, Pain & Intensive Care, Vol. 25, no. 3, May 2021, pp. 287–294, doi:10.35975/apic.v25i3.1519.