Biagi P. The CONFINE (Comorbidities and Outcome iN patients with chronic heart Failure: a study in INternal mEdicine units) study: a new epidemiologic observational study on heart failure in the internal medicine departments in Italy. Ital J Med [Internet]. 2013 May 3 [cited 2024 Jul. 3];1(1):57-64. Available from: https://www.italjmed.org/ijm/article/view/itjm.2007.1.57