title: The effect of added vitamin A alcohol on the metabolism of progesterone in the placenta of the guinea pig, Cavia porcellus.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D005260:Female; D006168:Guinea Pigs; D010920:Placenta / Q000187:drug effects / Q000378:metabolism*; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D013268:Stimulation, Chemical; D014801:Vitamin A / Q000494:pharmacology*
chemical_list: D002247:Carbon Isotopes; D014801:Vitamin A; D011374:Progesterone