Maternal serum placental growth factor at 11–13 weeks in chromosomally abnormal pregnancies
- ZARAGOZA, R. AKOLEKAR, L. C. Y. POON, S. PEPES and K. H. NICOLAIDES
Harris Birthright Research Centre for Fetal Medicine, King’s College Hospital, Λονδίνο, UK
Ultrasound Obstet Gynecol 2009; 33: 382–386