A. Verma, P. Singh, S. Biswas, R. Kapoor, V. Saraswat, and S. K. Dabas, “Effect of stellate ganglion block on graft re-exploration rates in free flap graft placement surgeries in patients with head and neck cancer: a randomized controlled trial”, Int J Res Med Sci, vol. 14, no. 7, pp. 2891–2894, Jun. 2026.