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. 1992 May:29 ( Pt 3):349-50.
doi: 10.1177/000456329202900319.

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

K Spencer  1 , J N Macri
Affiliations

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

K Spencer et al. Ann Clin Biochem. 1992 May.
No abstract available

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