title: Effect of intramuscular administration of selenium and vitamine E in dairy heifers on erythrocyte glutathione peroxidase activity and blood selenium levels.
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology*; D005260:Female; D005979:Glutathione Peroxidase / Q000097:blood*; D007273:Injections, Intramuscular; D010544:Peroxidases / Q000097:blood*; D011247:Pregnancy; D012643:Selenium / Q000008:administration & dosage* / Q000097:blood; D014810:Vitamin E / Q000008:administration & dosage*
chemical_list: D014810:Vitamin E; D010544:Peroxidases; D005979:Glutathione Peroxidase; D012643:Selenium