Parajuli, Santosh Sharma, and Jeju Nath Pokharel. “Ultrasound Guided Versus Land Mark Technique for Internal Jugular Central Venous Catheterization in Cardiac Surgical Patients- a Randomized Trial”. Journal of Society of Anesthesiologists of Nepal, vol. 3, no. 1, Mar. 2016, pp. 18-21, doi:10.3126/jsan.v3i1.14636.