title: Placental transfer of inert gases--radioautographic studies with krypton-85 in pregnant rat.
mesh_terms: D000818:Animals; D001345:Autoradiography; D005260:Female; D007726:Krypton / Q000378:metabolism*; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011868:Radioisotopes / Q000378:metabolism*; D051381:Rats
chemical_list: D011868:Radioisotopes; D007726:Krypton