Ekinciler, Ö. F., Doğan, H., Tatlışen, N., & Karaküçük, S. (1994). Congenital nasolacrimal duct obstruction in Kayseri, Turkey. The Turkish Journal of Pediatrics, 36(1), 21-33. https://doi.org/10.24953/turkjpediatr.1994.3601