Hussein, M. M., and A. M. Elhennawy. “Intravenous Lidocaine Infusion With Single Low-Dose Ketamine As an Adjuvant to General Anesthesia in Posterior Spine Fusion”. Journal of Cellular & Molecular Anesthesia, vol. 7, no. 2, Feb. 2022, pp. 84-92, doi:10.22037/jcma.v7i2.37078.