Nicholas J. Cowans

Is maternal renal disease a cause of elevated free β‐hCG in first trimester aneuploidy screening?

K. Spencer, N. Cowans, A. Stamatopoulou, 2009, Prenatal diagnosis.

Correction of first trimester biochemical aneuploidy screening markers for smoking status: influence of gestational age, maternal ethnicity and cigarette dosage

K. Spencer, N. Cowans, Nicholas J. Cowans, 2013, Prenatal diagnosis.

Is there an association between maternal ABO and rhesus blood groups and the first‐trimester serum markers free β‐hCG and PAPP‐A used for the detection of fetal aneuploidy?

K. Spencer, N. Cowans, Nicholas J. Cowans, 2007, Prenatal diagnosis.

Accuracy of self‐reported smoking status in first trimester aneuploidy screening

K. Spencer, N. Cowans, Nicholas J. Cowans, 2013, Prenatal diagnosis.

First trimester maternal serum inhibin A concentrations in smokers

K. Spencer, N. Cowans, Nicholas J. Cowans, 2013, Prenatal diagnosis.

ADAM 12 as a first‐trimester maternal serum marker in screening for Down syndrome

K. Spencer, S. Larsen, M. Christiansen, 2006, Prenatal diagnosis.

Analytical goal setting in aneuploidy screening: within person biological variability of first trimester biochemical markers

K. Spencer, N. Cowans, Nicholas J. Cowans, 2013, Prenatal diagnosis.