title: Use of free-access minerals.
authors.forename: R
authors.initials: R
authors.lastname: Hill
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D003300:Copper / Q000008:administration & dosage* / Q000097:blood; D007501:Iron / Q000008:administration & dosage* / Q000009:adverse effects; D015430:Weight Gain
chemical_list: D003300:Copper; D007501:Iron