%0 Journal Article %T Natural progression of cardiac autonomic neuropathy in patients with type 1 diabetes: a four-year follow-up study %A M Abd El Dayem, S. %A A. Battah, A. %A A. Soliman, R. %J The Anatolian Journal of Cardiology %D 2011 %V 11 %P 224-231 %R 10.5152/akd.2011.061