%0 Journal Article %T Heart rate variability analysis of single-channel electrocardiogram can help to differentiate high-risk patients with obstructive sleep apnea syndrome - a study on diagnostic accuracy %A Karasulu, L. %A Dalar, L. %A Sökücü, S. %A Altın, S. %J The Anatolian Journal of Cardiology %D 2012 %V 12 %P 331-338 %R 10.5152/akd.2012.097