Hashim, N. D., M. R. M. Yunus, and M. M. Baki. “Laryngeal Trauma With Phrenic Nerve Injury: A Rare Association”. Philippine Journal of Otolaryngology Head and Neck Surgery, vol. 25, no. 2, Dec. 2010, pp. 39-41, doi:10.32412/pjohns.v25i2.633.