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Evaluation of Abdominal Fetal Electrocardiography in Early Intrauterine Growth Restriction.
Velayo CL, Funamoto K, Silao JNI, Kimura Y, Nicolaides K.
Front Physiol 2017;8:437. pdf -
Ear length in trisomy 21 fetuses at 11-14 weeks of gestation.
Sacchini C, El-Sheikhah A, Cicero S, Rembouskos G, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;22:460-3.