Dhama, Vandana, Vipin Dhama, Rachna Chaudhary, Shakun Singh, and Saba Aafrin. 2018. “Role of Ultrasound in Reducing Complication During Primary Trocar Insertion in Laparoscopic Surgery: Prospective Observational Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7 (7):2747-52. https://doi.org/10.18203/2320-1770.ijrcog20182875.