title: Changes in blood calcium and magnesium in fasted cows.
mesh_terms: D000818:Animals; D002118:Calcium / Q000097:blood / Q000378:metabolism* / Q000652:urine; D002417:Cattle / Q000378:metabolism*; D005243:Feces / Q000032:analysis; D005260:Female; D008274:Magnesium / Q000097:blood / Q000378:metabolism* / Q000652:urine; D008275:Magnesium Deficiency / Q000209:etiology; D008892:Milk / Q000032:analysis; D013217:Starvation / Q000097:blood / Q000378:metabolism / Q000662:veterinary
chemical_list: D008274:Magnesium; D002118:Calcium