title: Serum and milk concentrations of oxytetracycline after the administration of a long-acting formulation to sheep.
mesh_terms: D000818:Animals; D003692:Delayed-Action Preparations; D005260:Female; D008892:Milk / Q000032:analysis*; D010118:Oxytetracycline / Q000032:analysis / Q000097:blood / Q000378:metabolism*; D012756:Sheep / Q000502:physiology*
chemical_list: D003692:Delayed-Action Preparations; D010118:Oxytetracycline