4) Maslin JS, Dorairaj SK, Ritch R. Sturge-Weber Syndrome (Encephalotrigeminal Angiomatosis): Recent Advances and Future Challenges. Asia Pac J Ophthalmol (Phila) 2014; 3: 361-7.
5) Siri L, Giordano L, Accorsi P, et al. Clinical features of Sturge-Weber syndrome without facial nevus: five novel cases. Eur J Paediatr Neurol 2013; 17: 91-6.