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Abstract
Mesh: See more » Abortion, Spontaneous/etiologyBiopsy/adverse effectsChorion/cytologyFemaleHumansPregnancyPregnancy Trimester, FirstPrenatal Diagnosis/adverse effectsSex Determination Analysis
Year: 1984 PMID: 6708997 DOI: 10.1056/NEJM198404263101717
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245