title: Changes in oxygen tension and vessel diameter in the human umbilical cord after delivery.
mesh_terms: D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D010100:Oxygen / Q000097:blood*; D011247:Pregnancy; D013997:Time Factors; D014469:Umbilical Arteries / Q000502:physiology; D014470:Umbilical Cord / Q000502:physiology*; D014471:Umbilical Veins / Q000502:physiology
chemical_list: D010100:Oxygen