Krzyżanowski, Arkadiusz, et al. “Chromosomal Abnormalities in a Decade of Prenatal Testing at the Department of Obstetrics and Pathology of Pregnancy Medical University of Lublin”. Polish Journal of Public Health, vol. 125, no. 1, May 2015, pp. 29-31, https://doi.org/10.1515/pjph-2015-0018.