title: A new prognostic index centered on polypathological patients. The PROFUND index.
authors: Maximo
authors: M
authors: Bernabeu-Wittel
authors: Francesc
authors: F
authors: Formiga
authors: Manuel
authors: M
authors: Ollero-Baturone
mesh_terms: D002908:Chronic Disease / Q000401:mortality*; D015897:Comorbidity; D006801:Humans