title: Preoxygenation for general anaesthesia in pregnancy: is it adequate?
authors: R
authors: R
authors: Porter
authors: I J
authors: IJ
authors: Wrench
authors: R
authors: R
authors: Freeman
mesh_terms: D000768:Anesthesia, General; D000773:Anesthesia, Obstetrical; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D010100:Oxygen / Q000097:blood*; D011247:Pregnancy
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen