Oberweis, D., Gillerot, Y., Koulischer, L., Hustin, J., & Philippe, E. (1983). [The Placenta Found in Trisomies in the Last Trimester of Pregnancy]. Journal de Gynecologie Obstetrique et Biologie de la Reproduction, 12(4), 345-349. https://hdl.handle.net/2078.5/144077 (Original work published 1983)