title: Concentrations of putrescine & polyamines during the development of rat placenta.
mesh_terms: D000818:Animals; D004247:DNA / Q000032:analysis; D005260:Female; D010920:Placenta / Q000032:analysis*; D010929:Placentation; D011073:Polyamines / Q000032:analysis*; D011247:Pregnancy; D011700:Putrescine / Q000032:analysis*; D012313:RNA / Q000032:analysis; D051381:Rats; D013997:Time Factors
chemical_list: D011073:Polyamines; D012313:RNA; D004247:DNA; D011700:Putrescine