1. Conte A, Falla M, Diana MC, Bologna M, Suppa A, Fabbrini A, et al. Spread of muscle spasms in Hemifacial spasm. Mov Disord Clin Pract. 2015;2(1):53–5.
2. Digre K, Corbett JJ. Hemifacial spasm: differential diagnosis, mechanism, and treatment. Adv Neurol. 1988;49:151–76.
3. Wang A, Jankovic J. Hemifacial spasm: clinical findings and treatment. Muscle Nerve. 1998;21(12):1740–7.
4. Au WL, Tan LC, Tan AK. Hemifacial spasm in Singapore: clinical characteristics and patients’ perceptions. Ann Acad Med Singap. 2004;33(3):324–8.
5. Wang L, Hu X, Dong H, Wang W, Huang Y, Jin L, et al. Clinical features and treatment status of hemifacial spasm in China. Chin Med J. 2014;127(5):845–9.