Fetal blood studies. XV. The carbon dioxide concentration gradient between the fetal and maternal blood of humans.
D002245:Carbon Dioxide / Q000097:blood*; D005260:Female; D005312:Fetal Blood; D005333:Fetus; D006801:Humans; D011247:Pregnancy / Q000097:blood; D014470:Umbilical Cord
D002245:Carbon Dioxide
CARBON DIOXIDE/blood; PREGNANCY/blood; UMBILICAL CORD/blood