Rafi, M., L. A. M. Saleem, S. Ahmad, and R. U. Haq. “Appendicectomy; Non-Invaginaton Vs. Invagination of Appendicular Stump”. Annals of King Edward Medical University, vol. 12, no. 1, Mar. 2016, doi:10.21649/akemu.v12i1.827.