title: Blood test may aid heart failure diagnosis.
mesh_terms: D015415:Biomarkers / Q000097:blood; D002303:Cardiac Output, Low / Q000175:diagnosis*; D006801:Humans; D009195:Peroxidase / Q000097:blood* / Q000502:physiology
chemical_list: D015415:Biomarkers; D009195:Peroxidase