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Prenatal Diagnosis|October 27, 2011
Stability of first trimester placental growth factor in serum and whole bloodN J Cowans, H Alfthan, U H Stenman, et al.
Prenatal Diagnosis|August 6, 2010
A re-evaluation of the influence of maternal insulin-dependent diabetes on fetal nuchal translucency thickness and first-trimester maternal serum biochemical markers of aneuploidyK Spencer, N J Cowans, C E Spencer, et al.
Clinica Chimica Acta; International Journal of Clinical Chemistry|December 3, 1979
Kinetic immunoturbidimetry: the measurement of pregnancy specific beta 1 glycoproteinK Spencer, C P Price, F Anthony, et al.
Prenatal Diagnosis|December 11, 1999
Screening for trisomy 18 by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestationN Tul, K Spencer, P Noble, et al.
Acta Physiologica Scandinavica|January 1, 1993
Regulation of glycogen synthase in human muscle during isometric contraction and recoveryZ Yan, M K Spencer, P J Bechtel, et al.
BJOG : an International Journal of Obstetrics and Gynaecology|February 3, 2015
First trimester maternal serum biochemical markers of aneuploidy in pregnancies with abnormally invasive placentationO Thompson, C Otigbah, A Nnochiri, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|September 5, 2006
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of impending fetal deathK Spencer, N J Cowans, K Avgidou, et al.
Prenatal Diagnosis|June 26, 2007
Dose dependency between cigarette consumption and reduced maternal serum PAPP-A levels at 11-13+6 weeks of gestationK O Kagan, V Frisova, K H Nicolaides, et al.
Prenatal Diagnosis|June 1, 1997
First-trimester urine free beta hCG, beta core, and total oestriol in pregnancies affected by Down's syndrome: implications for first-trimester screening with nuchal translucency and serum free beta hCGK Spencer, P Noble, R J Snijders, et al.
Prenatal Diagnosis|July 4, 2012
Maternal serum CA 19-9 and CA 15-3 levels in pregnancies affected by trisomy 21F Akinlade, N J Cowans, M C Kisanga, et al.
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