1. Interviews: an introduction to qualitative research interviewing;Kvale,1996
2. Women's experiences of unexpected ultrasound findings;Mitchell;Journal of Midwifery & Womens Health.,2004
3. Fetal nuchal translucency scan and early prenatal diagnosis of chromosomal abnormalities by rapid aneuploidy screening: observational study;Chitty;Br Med J,2006
4. Aneuploidy screening in the first trimester;Spencer;Am J Med Genet Part C Sermin,2007
5. False positives in the prenatal ultrasound screening of fetal structural anomalies;Angels Martinez-Zamora;Prenatal Diagnosis,2007