Ali, K. ., S. S. . Ameen, M. A. . Mehmood, and Khalid. “Frontalis Brow Suspension for Congenital Ptosis Using Silicon Dacrocystorhinostomy Tube With Three Months Follow up”. Journal of Bahria University Medical and Dental College, vol. 6, no. 3, Sept. 2016, pp. 191-3, https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/197.