Toward a sustainable and wise healthcare approach: potential contributions from hospital Internal Medicine Departments to reducing inappropriate medical spending oleh Roberto Nardi, Franco Berti, Leonardo M. Fabbri, Giuseppe Di Pasquale, Ido Iori, Giovanni Mathieu, Giorgio Vescovo, Andrea Fontanella, Antonino Mazzone, Mauro Campanini, Carlo Nozzoli, Dario Manfellotto, on behalf of the FADOI and their Friends in the FFA Project Group