TY - JOUR TI - Natural progression of cardiac autonomic neuropathy in patients with type 1 diabetes: a four-year follow-up study AU - M Abd El Dayem, S. AU - A. Battah, A. AU - A. Soliman, R. JO - The Anatolian Journal of Cardiology PY - 2011 VL - 11 SP - 224 EP - 231 DO - 10.5152/akd.2011.061 ER -