title: Functional class in patients with heart failure is associated with the development of diabetes.
authors.forename: David S H
authors.initials: DS
authors.lastname: Bell
mesh_terms: D015897:Comorbidity; D003920:Diabetes Mellitus / Q000453:epidemiology*; D006333:Heart Failure / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D007333:Insulin Resistance