Increased maternal serum free beta-human chorionic gonadotrophin concentrations in Down's pregnancies: an artefactual finding?
Zimmermann
R
R
Department of Obstetrics, University Hospital, Zurich, Switzerland.
Keller
P J
PJ
Huch
A
A
D016477:Artifacts; D015415:Biomarkers / Q000097:blood; D006063:Chorionic Gonadotropin / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D013997:Time Factors
D015415:Biomarkers; D006063:Chorionic Gonadotropin