title: Nitrite poisoning of calves grazing "Grasslands Tama" ryegrass.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000097:blood*; D008706:Methemoglobin / Q000032:analysis; D009573:Nitrites / Q000506:poisoning*; D010939:Plant Poisoning / Q000097:blood / Q000662:veterinary*; D011188:Potassium / Q000097:blood
chemical_list: D009573:Nitrites; D008706:Methemoglobin; D011188:Potassium