pO2 levels in the placental circulation of the mare and ewe.
D000818:Animals; D005260:Female; D006736:Horses; D010100:Oxygen; D010313:Partial Pressure; D010920:Placenta / Q000098:blood supply*; D011247:Pregnancy; D012756:Sheep; D014469:Umbilical Arteries; D014471:Umbilical Veins
D010100:Oxygen