Ghimire, A., B. Bhattarai, J. Prasad, and S. Shah. “The Analgesic Effectiveness of Ipsilateral Transversus Abdominis Plane Block in Adult Patients Undergoing Appendectomy: A Prospective Randomized Controlled Trial”. Kathmandu University Medical Journal, vol. 13, no. 4, Feb. 2017, pp. 361-5, doi:10.3126/kumj.v13i4.16838.