Guirgis, A.H., Menon, V.K., Suri, N., Chatterjee, N., Attallah, E., Saad, M.Y. and Elshaer, S. 2016. Early Versus Late Tracheostomy for Patients with High and Low Cervical Spinal Cord Injuries. Sultan Qaboos University Medical Journal. 16, 4 (Nov. 2016), 458–463. DOI:https://doi.org/10.18295/squmj.2016.16.04.009.