Sutton, M S Assessment of changes in blood flow through the lungs and foramen ovale in the normal human fetus with gestational age: a prospective Doppler echocardiographic study. [electronic resource] - British heart journal Mar 1994 - 232-7 p. digital Publication Type: Journal Article ISSN: 0007-0769 Standard No.: 10.1136/hrt.71.3.232 doi Subjects--Topical Terms: Aorta--diagnostic imagingDuctus Arteriosus--diagnostic imagingEchocardiography, DopplerFemaleGestational AgeHumansLung--blood supplyPregnancyProspective StudiesPulmonary Artery--diagnostic imagingRegional Blood Flow--physiologySphenoid BoneUltrasonography, Prenatal