000			00580cam a2200229 4500
001			033373940X
008			090401t2001 xxu||||| |||| 00| 0 eng d
020			_a033373940X
082			_a618.2075 HEY
100			_aHeyman, B.
100			_aHenriksen, M.
245			_aRisk, age and pregnancy: a cast study of prenatal genetic screening and testing.
260			_aHampshire : _bPalgrave, _c2001
500			_aPregnancy
500			_aGenetics
500			_aDown's syndrome
500			_aScreening
942			_cBKSTD _n0
993			_asmc
994			_a36.90
997			_a0
999			_c90868 _d90868