Placental transfer of blood gases.
D000818:Animals; D002245:Carbon Dioxide / Q000097:blood*; D002417:Cattle; D005260:Female; D006041:Goats; D000882:Haplorhini; D006736:Horses; D006801:Humans; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D010100:Oxygen / Q000097:blood*; D010101:Oxygen Consumption; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D012756:Sheep; D013552:Swine
D002245:Carbon Dioxide; D010100:Oxygen