PUAPERMPOONSIRI, P. Nasolacrimal Duct Obstruction and Treatment. Vajira Medical Journal : Journal of Urban Medicine, [S. l.], v. 54, n. 4, p. 367–372, 2011. Disponível em: https://he02.tci-thaijo.org/index.php/VMED/article/view/467. Acesso em: 20 sep. 2026.