Mathew, A., Lukachan, G., Varughese, D., Raju, N., Mathai, A. and Johnson, A. (2023) “Impact of frailty and comorbidity index on postoperative complications and functional outcomes among elderly patients undergoing hip fracture surgeries under regional anesthesia techniques”, Anaesthesia, Pain & Intensive Care, 27(2), pp. 161-169. doi: 10.35975/apic.v27i2.2132.