Farooq, U. ., S. M. . Ahmed Tariq, Z. U. . Khan, M. U. . Iqbal Butt, A. M. . Qureshi, and M. . Tayyeb. “Change in 4% Lidocaine Instillation in the Endotracheal Tube (ETT) before and After Surgery in Patients Undergoing Surgery under General Anesthesia”. Biological and Clinical Sciences Research Journal, vol. 6, no. 10, Oct. 2025, pp. 14-19, doi:10.54112/bcsrj.v6i10.1900.