Hendarmin, Hendarto, and Hartono Abdoerrachman. “A Fibro Naso-Laryngoscopy Assessment on Hoarseness: Morphological Finding of the Larynx by Direct Visualization”. Medical Journal of Indonesia 5, no. 3 (July 1, 1996): 165-9. Accessed May 8, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/866.