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Comment
. 2006 Mar;113(3):362; author reply 363-4.
doi: 10.1111/j.1471-0528.2006.00867.x.

Community-based screening for Down syndrome in the first trimester using ultrasound and maternal serum biochemistry

W J A Gyselaers, A J Vereecken, J G Nijhuis
Comment

Community-based screening for Down syndrome in the first trimester using ultrasound and maternal serum biochemistry

W J A Gyselaers et al. BJOG. 2006 Mar.
No abstract available

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