Jomy P Thomas, and Rajesh M C. “Incidence of Post-Operative Hoarseness and Sore Throat Between Endotracheal Cuff Is Inflated With Alkalinised Lignocaine Versus Air in Laproscopic Procedures: A Comparative Study”. International Journal of Health and Clinical Research, vol. 4, no. 17, Oct. 2021, pp. 25-28, https://ijhcr.com/index.php/ijhcr/article/view/2752.