Oxygen saturation in the umbilical vessels of the human foetus in normal and prolonged pregnancy.
D005260:Female; D005333:Fetus; D006801:Humans; D010100:Oxygen / Q000097:blood*; D011247:Pregnancy / Q000097:blood; D011273:Pregnancy, Prolonged
D010100:Oxygen
OXYGEN/in blood; PREGNANCY/blood in