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5 in total

1. Early detection of Down's syndrome using free beta human choriogonadotropin.

Authors: K Spencer; J N Macri
Journal: Ann Clin Biochem Date: 1992-05 Impact factor: 2.057

2. Risk of Down's syndrome and amniocentesis rate.

Authors: K Spencer; P Carpenter
Journal: BMJ Date: 1992-03-07

3. Maternal serum Down syndrome screening: free beta-protein is a more effective marker than human chorionic gonadotropin.

Authors: J N Macri; R V Kasturi; D A Krantz; E J Cook; N D Moore; J A Young; K Romero; J W Larsen
Journal: Am J Obstet Gynecol Date: 1990-10 Impact factor: 8.661

4. Prenatal screening for Down's syndrome.

Authors:
Journal: BMJ Date: 1991-08-24

5. Antenatal maternal serum screening for Down's syndrome: results of a demonstration project.

Authors: N J Wald; A Kennard; J W Densem; H S Cuckle; T Chard; L Butler
Journal: BMJ Date: 1992-08-15

5 in total

1 in total

1. Using decision analysis to compare policies for antenatal screening for Down's syndrome.

Authors: J Fletcher; N R Hicks; J D Kay; P A Boyd
Journal: BMJ Date: 1995-08-05

1 in total