Nicholas J. Cowans

First‐trimester maternal serum PP‐13, PAPP‐A and second‐trimester uterine artery Doppler pulsatility index as markers of pre‐eclampsia

Kevin Spencer, Nicholas J. Cowans, Ilana Chefetz et al. · Ultrasound in Obstetrics and Gynecology · 2006 · 215 citations

Prediction of pregnancy complications by first‐trimester maternal serum PAPP‐A and free β‐hCG and with second‐trimester uterine artery Doppler

Kevin Spencer, C. K. H. Yu, Nicholas J. Cowans et al. · Prenatal Diagnosis · 2005 · 209 citations

Low levels of maternal serum PAPP‐A in the first trimester and the risk of pre‐eclampsia

Kevin Spencer, Nicholas J. Cowans, K. H. Nicolaides · Prenatal Diagnosis · 2007 · 205 citations · Full text

First‐trimester ADAM12 and PAPP‐A as markers for intrauterine fetal growth restriction through their roles in the insulin‐like growth factor system

Nicholas J. Cowans, Kevin Spencer · Prenatal Diagnosis · 2007 · 158 citations

First‐trimester biochemical markers of aneuploidy and the prediction of small‐for‐gestational age fetuses

Kevin Spencer, Nicholas J. Cowans, K. Avgidou et al. · Ultrasound in Obstetrics and Gynecology · 2007 · 155 citations