title: Chronic udder oedema in milking cows and heifers.
mesh_terms: D000821:Animal Feed / Q000032:analysis; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D002908:Chronic Disease; D004487:Edema / Q000209:etiology / Q000662:veterinary*; D005260:Female; D008321:Mammary Glands, Animal; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis
chemical_list: D012964:Sodium; D011188:Potassium