C. DeVigan

Survey of prenatal screening policies in Europe for structural malformations and chromosome anomalies, and their impact on detection and termination rates for neural tube defects and Down's syndrome

M. Loane, P. Boyd, E. Garne, 2008, BJOG : an international journal of obstetrics and gynaecology.

Measurement of Nuchal Translucency and the Prenatal Diagnosis of Down Syndrome

François Goffinet, Nathalie Lelong, Babak Khoshnood, 2009, Obstetrics and gynecology.