A screening program for trisomy 21 at 10–14 weeks using fetal nuchal translucency, maternal serum free ß-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
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| Title: | A screening program for trisomy 21 at 10–14 weeks using fetal nuchal translucency, maternal serum free ß-human chorionic gonadotropin and pregnancy-associated plasma protein-A. |
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| Authors: | Spencer, K., Souter, V., Tul, N., Snijders, R., Nicolaides, K. H. |
| Source: | Ultrasound in Obstetrics & Gynecology. Apr99, Vol. 13 Issue 4, p231. 7p. |
| Database: | Academic Search Ultimate |
| ISSN: | 09607692 |
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| DOI: | 10.1046/j.1469-0705.1999.13040231.x |
