Choudhury, B.M.M., Ali, A., Ahmed, M. and Rahman, A.S. 2009. Comparison Between Effect of Head Positions on the Placement of Catheter in the Internal Jugular Vein. Journal of the Bangladesh Society of Anaesthesiologists. 20, 2 (Dec. 2009), 56–60. DOI:https://doi.org/10.3329/jbsa.v20i2.3992.