title: The lung, tracheal fluid, and lipid metabolism of the fetus.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D000818:Animals; D001794:Blood Pressure; D001826:Body Fluids / Q000378:metabolism*; D002247:Carbon Isotopes; D002845:Chromatography; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D005260:Female; D005333:Fetus / Q000378:metabolism*; D006339:Heart Rate; D050356:Lipid Metabolism; D008168:Lung / Q000378:metabolism*; D011247:Pregnancy; D011506:Proteins / Q000032:analysis; D012756:Sheep; D013500:Surface Tension; D013501:Surface-Active Agents / Q000096:biosynthesis; D014132:Trachea
chemical_list: D002247:Carbon Isotopes; D011506:Proteins; D013501:Surface-Active Agents