title: The metabolism of progesterone and the conservation of gestagens in the sheep foeto-placental unit.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D004912:Erythrocytes / Q000378:metabolism; D005260:Female; D005333:Fetus / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D012756:Sheep
chemical_list: D002247:Carbon Isotopes; D011374:Progesterone