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Maternal serum vitamin D levels at 11-13 weeks of gestation in preeclampsia.
Yu CK, Ertl R, Skyfta E, Akolekar R, Nicolaides KH.
Hum Hypertens 2013;27:115-8 . pdf -
Maternal serum vitamin D at 11-13 weeks in pregnancies delivering small for gestational age neonates.
Ertl R, Yu CK, Samaha R, Akolekar R, Nicolaides KH.
Fetal Diagn Ther 2012;31:103-8. -
Maternal serum 25-hydroxyvitamin D levels at 11(+0) -13(+6) weeks in pregnant women with diabetes mellitus and in those with macrosomic neonates.
Savvidou M, Akolekar R, Samaha R, Masconi A, Nicolaides Kh.
BJOG 2011;118:951-5. -
First-trimester circulating 25-hydroxyvitamin d levels and development of gestational diabetes mellitus.
Makgoba M, Nelson SM, Savvidou M, Messow CM, Nicolaides K, Sattar N.
Diabetes Care 2011;34:1091-3. -
Maternal serum placental protein 13 at eleven to thirteen weeks in chromosomally abnormal pregnancies.
Akolekar R, Pérez Penco JM, Skyfta E, Rodríguez Calvo J, Nicolaides KH.
Fetal Diagn Ther 2010;27:72-7. -
Maternal serum placental protein 13 at 11-13 weeks of gestation in preeclampsia.
Akolekar R, Syngelaki A, Beta J, Kocylowski R, Nicolaides KH.
Prenat Diagn 2009;29:1103-8. -
A novel approach to first-trimester screening for early pre-eclampsia combining serum PP-13 and Doppler ultrasound.
Nicolaides KH, Bindra R, Turan OM, Chefetz I, Sammar M, Meiri H, Tal J, Cuckle HS.
Ultrasound Obstet Gynecol 2006;27:13-7.