title: [Drastic measures in urea determinations].
mesh_terms: D000818:Animals; D000829:Animals, Domestic / Q000097:blood / Q000652:urine*; D003404:Creatinine / Q000097:blood; D014508:Urea / Q000097:blood / Q000652:urine*
chemical_list: D014508:Urea; D003404:Creatinine