Free beta-protein studies need confirmation
- PMID: 1716422
- DOI: 10.1016/0002-9378(91)90329-p
Free beta-protein studies need confirmation
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Maternal serum Down syndrome screening: free beta-protein is a more effective marker than human chorionic gonadotropin.Am J Obstet Gynecol. 1990 Oct;163(4 Pt 1):1248-53. doi: 10.1016/0002-9378(90)90700-h. Am J Obstet Gynecol. 1990. PMID: 1699417 Clinical Trial.
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