title: Transfer of inert gases and tritiated water across the sheep placenta.
mesh_terms: D000818:Animals; D001128:Argon / Q000097:blood*; D001769:Blood; D003377:Countercurrent Distribution; D004058:Diffusion; D004987:Ethers / Q000097:blood*; D005260:Female; D005263:Femoral Artery; D006371:Helium / Q000097:blood*; D006846:Hydrocarbons, Halogenated / Q000097:blood*; D013058:Mass Spectrometry; D008431:Maternal-Fetal Exchange; D008954:Models, Biological; D009609:Nitrous Oxide / Q000097:blood*; D010313:Partial Pressure; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D012756:Sheep; D014316:Tritium; D014469:Umbilical Arteries; D014471:Umbilical Veins
chemical_list: D004987:Ethers; D006846:Hydrocarbons, Halogenated; D014316:Tritium; D006371:Helium; D001128:Argon; D009609:Nitrous Oxide