TY  - BOOK
AU  - Heyman, B.
AU  - Henriksen, M.
TI  - Risk, age and pregnancy: a cast study of prenatal genetic screening and testing
SN  - 033373940X
U1  - 618.2075 HEY 
PY  - 2001///
CY  - Hampshire
PB  - Palgrave
N1  - Pregnancy; Genetics; Down's syndrome; Screening
ER  -