S. V., Y. Lohe, V. Tripathi, A. Ansari, A. B. Marak, and G. S. Moirangthem, “Direct trocar access: a safe method to create pneumo peritoneum, experience from GI and minimal access surgery unit, RIMS, Imphal”, Int Surg J, vol. 6, no. 4, pp. 1078–1083, Mar. 2019.