Rational and irrational ratios.
Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, NY, USA. h.s.cuckle@leeds.ac.uk.
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Cuckle
D015415:Biomarkers / Q000097:blood; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood; D005260:Female; D005865:Gestational Age; D006801:Humans; D062145:Maternal Serum Screening Tests / Q000379:methods*; D008962:Models, Theoretical; D048208:Nuchal Translucency Measurement / Q000379:methods*; D016017:Odds Ratio; D010684:Philosophy; D011237:Predictive Value of Tests; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000378:metabolism
D015415:Biomarkers; D018997:Chorionic Gonadotropin, beta Subunit, Human; D000509:alpha-Fetoproteins