TI - 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 AU - Karasulu, L. AU - Dalar, L. AU - Sökücü, S. AU - Altın, S. SO - The Anatolian Journal of Cardiology 2012;12:331-338. DO - 10.5152/akd.2012.097