%0 Journal Article %T The Necessity for Research on the Elderly in Iran %A Akbar Shafiee %A David van Bodegom %J Journal of Tehran University Heart Center %D 2012 %I Tehran University of Medical Sciences %X - %U http://journals.tums.ac.ir/PdfMed.aspx?pdf_med=/upload_files/pdf/20687.pdf&manuscript_id=20687