1. 1.1 Non-Invasive Prenatal Testing Using Cell Free Fetal DNA in Maternal Plasma: An Aid to Prenatal Sonographic Diagnosis. (26th April 2013) Authors: Chitty, LS; Barrett, A; Mackay, F; Fielding, S; Lench, N Journal: Archives of disease in childhood Issue: Volume 98(2013)Supplement 1 Page Start: A1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗