Achter, A., Hager, T., Fimmers, R., Gembruch, U., & Müller, A. M. (2016). New osseous soft markers for trisomy 13, 18 and 21. Archives of Gynecology and Obstetrics, 294(2), 251. https://doi.org/10.1007/s00404-015-3971-z
Chicago-referens (17:e uppl.)Achter, Annika, Thomas Hager, Rolf Fimmers, Ulrich Gembruch, och Annette M. Müller. "New Osseous Soft Markers for Trisomy 13, 18 and 21." Archives of Gynecology and Obstetrics 294, no. 2 (2016): 251. https://doi.org/10.1007/s00404-015-3971-z.
MLA-referens (9:e uppl.)Achter, Annika, et al. "New Osseous Soft Markers for Trisomy 13, 18 and 21." Archives of Gynecology and Obstetrics, vol. 294, no. 2, 2016, p. 251, https://doi.org/10.1007/s00404-015-3971-z.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
