Gholizadeh, Narges, Shamsolmoulouk Najafi, Mina Khayam Zadeh, Sajad Afzali, and Nafiseh Sheykhbahaei. 2018. “Trend in Laryngeal Cancer, Mortality and Survival Rate in Iran”. Journal of Contemporary Medical Sciences 4 (1). https://jocms.org/index.php/jcms/article/view/324.