Abbas, T., R. Maqsood, M. Bajwa, and M. Akhtar. “IS STAPLED HEMORRHOIDECTOMY A SAFE PROCEDURE FOR THIRD AND FOURTH GRADE HEMORRHOIDS”. Pakistan Armed Forces Medical Journal, Vol. 69, no. 1, Feb. 2019, pp. 92-96, https://mail.pafmj.org/index.php/PAFMJ/article/view/2503.