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Umbilical artery - Wikipedia
Umbilical artery: Anatomy, branches, supply - Kenhub
Placental Blood Circulation - Vascular Biology of the Placenta
Anatomy, Abdomen and Pelvis: Umbilical Cord - StatPearls - NCBI Bookshelf
Umbilical cord abnormalities: Prenatal diagnosis and management
Umbilical Artery | Complete Anatomy - Elsevier
Embryology, Fetal Circulation - StatPearls - NCBI Bookshelf
Umbilical cord: Anatomical structure and function - Kenhub
Umbilical artery - Structure, Location, Diagram, Function
Blood Circulation in the Fetus and Newborn | Children's Hospital …
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