ULLAH, Farid; SHAH, Mir Ali; KHAN, Muhammad Naeem; RAHIM, Fazal; BASHIR, Murtaza. Congenital Nasolacrimal Duct Obstruction at Agency headquarter Hospital Batkhela NWFP. Journal of Postgraduate Medical Institute, [S. l.], v. 18, n. 3, 2011. Disponível em: https://jpmi.org.pk/index.php/jpmi/article/view/921. Acesso em: 5 dec. 2025.