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Maxillary gap at 11-13 weeks' gestation: marker of cleft lip and palate.
Chaoui R, Orosz G, Heling KS, Sarut-Lopez A, Nicolaides KH.
Ultrasound Obstet Gynecol 2015;46:665-9. pdf -
In-vivo assessment of the biomechanical properties of the uterine cervix in pregnancy.
Mazza E, Parra-Saavedra M, Bajka M, Gratacos E, Nicolaides KH, Deprest J.
Prenat Diagn 2014;34:33-41. pdf