Amatya, M., B. Limbu, P. R. Sthapit, H. B. Gurung, and R. Saiju. “Outcome of Injection Botulinum Toxin in Blepharospasm”. Nepalese Journal of Ophthalmology, Vol. 13, no. 1, Jan. 2021, pp. 40-49, doi:10.3126/nepjoph.v13i1.30589.