Praditthum, Manintorn, and Premsuda Sombuntham. “Comparison of endoscopic-guided vs. electromyographyguided Botulinum toxin injection treatments in adductor spasmodic dysphonia”. Chulalongkorn Medical Journal 68, no. 1 (January 1, 2024). accessed April 8, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/1241.