Journal article
Repeated failed non-invasive prenatal testing owing to low cell-free fetal DNA fraction and increased variance in a woman with severe autoimmune disease
L Hui, M Bethune, A Weeks, J Kelley, L Hayes
Ultrasound in Obstetrics and Gynecology | WILEY-BLACKWELL | Published : 2014
DOI: 10.1002/uog.13418