The effect of vitamin E and selenium on the incidence of retained placentae in dairy cows.
D000821:Animal Feed / Q000032:analysis; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D003612:Dairying; D005260:Female; D007273:Injections, Intramuscular; D010920:Placenta / Q000187:drug effects*; D010922:Placenta Diseases / Q000188:drug therapy / Q000662:veterinary; D006109:Poaceae; D011247:Pregnancy; D011270:Pregnancy, Animal; D012643:Selenium / Q000008:administration & dosage* / Q000032:analysis; D014810:Vitamin E / Q000008:administration & dosage*
D014810:Vitamin E; D012643:Selenium