Fetal blood studies. XVIII. Supplementary observations on the oxygen pressure gradient between the maternal and fetal bloods of humans.
D005190:Family; D005312:Fetal Blood; D005333:Fetus / Q000097:blood*; D010100:Oxygen / Q000097:blood*; D011247:Pregnancy / Q000097:blood; D011312:Pressure
D010100:Oxygen
FETUS/blood; OXYGEN/blood; PREGNANCY/blood