Diana, Nova, Syntia Nusanti, and M. Sidik. “Horner Syndrome Related to Nasopharyngeal Carcinoma”. Ophthalmologica Indonesiana 41, no. 2 (January 31, 2016). Accessed July 7, 2024. https://ophthalmologica-indonesiana.com/index.php/journal/article/view/22.