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Longitudinal changes in maternal hemodynamics in a population at risk for pre-eclampsia.
Khalil A, Garcia-Mandujano R, Maiz N, Elkhouli M, Nicolaides KH.
Ultrasound Obstet Gynecol 2014;44:197-204. pdf -
Non-invasive assessment of endothelial function in normal pregnancy.
Savvidou MD, Kametas NA, Donald AE, Nicolaides KH.
Ultrasound Obstet Gynecol 2000;15:502-7.