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Citation: C. Van Den Berg et al., Accuracy of abnormal karyotypes after the analysis of both short- and long-term culture of chorionic villi, PRENAT DIAG, 20(12), 2000, pp. 956-969

Authors: van den Berg, C Braat, APG Van Opstal, D Halley, DJJ Kleijer, WJ den Hollander, NS Brandenburg, H Pijpers, L Los, FJ

Citation: C. Van Den Berg et al., Amniocentesis or chorionic villus sampling in multiple gestations? Experience with 500 cases, PRENAT DIAG, 19(3), 1999, pp. 234-244

Authors: van den Berg, C Pijpers, L Halley, DJJ Van Opstal, D Los, FJ

Citation: C. Van Den Berg et al., Prenatal detection of trisomy 18 caused by isochromosome 18p and 18q formation, AM J MED G, 86(2), 1999, pp. 151-155