TY - JOUR T1 - The acute effect of bi-level positive airway pressure on heart rate variability in chronic obstructive pulmonary disease patients with hypercapnic respiratory failure AU - Yazıcı, Mehmet AU - Uzun, Ku&776;rşat AU - Ülgen, Mehmet Sıddık AU - Teke, Turgut AU - Maden, Emin AU - Kayrak, Mehmet AU - Turan, Yaşar AU - Arı, Hatem Y1 - 2008 PY - 2008 DA - 2008 N1 - doi: DO - T2 - The Anatolian Journal of Cardiology JF - The Anatolian Journal of Cardiology JO - Anatol J Cardiol SP - 426 EP - 430 VL - 8 IS - 6 SN - M3 - PMID: 19103538 UR - https://dx.doi.org/ Y2 - 2008 ER -