Placental localization by inhalation of radioactive carbon monoxide.
D002247:Carbon Isotopes / Q000008:administration & dosage*; D002248:Carbon Monoxide / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D010920:Placenta; D011247:Pregnancy; D011877:Radionuclide Imaging
D002247:Carbon Isotopes; D002248:Carbon Monoxide