title: Blood urea nitrogen and serum creatinine: not married in heart failure.
authors.forename: Robert W
authors.initials: RW
authors.lastname: Schrier
mesh_terms: D001806:Blood Urea Nitrogen; D003404:Creatinine / Q000097:blood*; D005919:Glomerular Filtration Rate; D006333:Heart Failure / Q000097:blood*; D006801:Humans
chemical_list: D003404:Creatinine