title: Quantitative real-time cross-sectional echocardiography in the developing normal humam fetus and newborn.
mesh_terms: D001011:Aorta; D001835:Body Weight; D004452:Echocardiography; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006352:Heart Ventricles / Q000254:growth & development; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011651:Pulmonary Artery; D012044:Regression Analysis; D013997:Time Factors