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Temporal effects of maternal and pregnancy characteristics on serum pregnancy-associated plasma protein-A and free β-human chorionic gonadotropin at 7-14 weeks' gestation.
Ball S, Ekelund C, Wright D, Kirkegaard I, Nørgaard P, Petersen OB, Tabor A; Danish Fetal Medicine Study Group. Ball S, et al. Among authors: kirkegaard i. Ultrasound Obstet Gynecol. 2013 Jan;41(1):33-9. doi: 10.1002/uog.11209. Epub 2012 Dec 4. Ultrasound Obstet Gynecol. 2013. PMID: 22689065 Free article.
Prospective study evaluating performance of first-trimester combined screening for trisomy 21 using repeat sampling of maternal serum markers PAPP-A and free β-hCG.
Ekelund C, Wright D, Ball S, Kirkegaard I, Nørgaard P, Sørensen S, Friis-Hansen L, Jørgensen FS, Tørring N, Bech BH, Petersen OB, Tabor A. Ekelund C, et al. Among authors: kirkegaard i. Ultrasound Obstet Gynecol. 2012 Sep;40(3):276-81. doi: 10.1002/uog.12266. Ultrasound Obstet Gynecol. 2012. PMID: 22807155 Free article.
26 results