Bilateral Cavernous Sinus Syndrome as Presenting Manifestation of Nasopharyngeal Carcinoma
Neurol 82:e51-e54, Kumari, B.,et al, 2014
A Rare Isolated Bilateral Abducens Nerve Palsy in Nasopharyngeal Carcinoma (NPC)
Internet J Head Neck Surg 1:1-4, Baharudin, A.,et al, 2006
Internal Ophthalmoplegia, In Ocular Differential Diagnosis
Lea & Febiger, Phila. p 3375., Roy,F.H., 1975