title: Excessive retainment of the placenta in a mare.
mesh_terms: D000818:Animals; D004874:Ergonovine / Q000627:therapeutic use; D005260:Female; D006734:Horse Diseases / Q000188:drug therapy*; D006736:Horses; D010121:Oxytocin / Q000627:therapeutic use*; D010920:Placenta; D010922:Placenta Diseases / Q000188:drug therapy / Q000662:veterinary; D011247:Pregnancy
chemical_list: D010121:Oxytocin; D004874:Ergonovine