-
First Trimester Noninvasive Prenatal Diagnosis: A Computational Intelligence Approach.
Neocleous AC, Nicolaides KH, Schizas CN.
IEEE J Biomed Health Inform 2016;20:1427-38. pdf -
The 11-14 week scan.
Nicolaides KH, Heath V, Liao AW.
Baillieres Best Pract Res Clin Obstet Gynaecol 2000;14:581-94.