Yilmaz, E., Ozgüç, M., Coşkun, T., Beksaç, S., Cakar, N., Ayter, S., & Ozalp, I. (1991). Prenatal diagnosis of cystic fibrosis in a Turkish family. The Turkish Journal of Pediatrics, 33(2), 79-84. https://turkjpediatr.org/article/view/3757