@article{4cf6b6de450646b6a9e9ed7f260620b0,
title = "Evaluation of antenatal umbilical coiling index at 16-21 weeks of gestation as a predictor of trisomy 21 and other chromosomal defects.",
keywords = "Econometric and Statistical Methods: General, Geneeskunde (GENK), Geneeskunde(GENK), Medical sciences, Bescherming en bevordering van de menselijke gezondheid",
author = "C.P. Verkleij and {van Oppen}, A.C.C. and E.J.H. Mulder and {de Laat}, M.W.M. and E. Sikkel and M.P.H. Koster and {van der Tweel}, I. and A. Franx and GHA Visser",
year = "2013",
doi = "10.1002/uog.12443.",
language = "English",
volume = "42",
pages = "545--552",
journal = "Ultrasound in Obstetrics and Gynecology",
issn = "0960-7692",
publisher = "John Wiley & Sons Inc.",
number = "5",
}