title: Examination of fetal oxygenation by controlled hypoxia.
mesh_terms: D005260:Female; D005333:Fetus / Q000502:physiology*; D006340:Heart Rate, Fetal; D006801:Humans; D000860:Hypoxia / Q000097:blood / Q000503:physiopathology*; D010092:Oximetry; D010100:Oxygen / Q000502:physiology*; D011247:Pregnancy / Q000097:blood
chemical_list: D010100:Oxygen