Nallam, S., Darsi, A., Veeramalla, P., Sunkesula, A. and Chiruvella, S. (2024) “Comparison of ultrasound guided transversus abdominis plane block with different concentrations of ropivacaine combined with fentanyl: a randomized double-blind trial”, Anaesthesia, Pain & Intensive Care, 28(6), pp. 1043-1049. doi: 10.35975/apic.v28i6.2613.