title: The big bull backup.
authors: Anne
authors: A
authors: VanderMey
mesh_terms: D000818:Animals; D015925:Cryopreservation / Q000662:veterinary*; D056727:Endangered Species; D058751:Livestock; D011050:Policy Making; D011200:Poultry; D013045:Species Specificity; D013074:Sperm Banks; D014015:Tissue Banks; D014481:United States