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Prenatal Diagnosis|March 20, 2010
First trimester maternal serum placental growth factor in trisomy 21 pregnanciesN J Cowans, A Stamatopoulou, K Spencer
Prenatal Diagnosis|March 16, 2012
Maternal serum placental growth factor in second trimester trisomy 21 pregnanciesN J Cowans, M C Kisanga, K Spencer
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|September 26, 2008
Maternal serum inhibin-A and activin-A levels in the first trimester of pregnancies developing pre-eclampsiaK Spencer, N J Cowans, K H Nicolaides
Placenta|January 25, 2011
PP13 as a marker of pre-eclampsia: A two platform comparison studyN J Cowans, A Stamatopoulou, A Khalil, et al.
Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology|November 25, 2010
Early first-trimester maternal serum placental growth factor in trisomy 21 pregnanciesN J Cowans, A Stamatopoulou, N Tørring, et al.
Prenatal Diagnosis|May 29, 2010
ADAM-12 stability in first trimester maternal serumN J Cowans, A Stamatopoulou, S Jaakohuhta, et al.
Prenatal Diagnosis|May 29, 2010
PP13 stability in first trimester maternal serum and whole bloodN J Cowans, A Stamatopoulou, S Jaakohuhta, et al.
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