I. Blužaitė, D. Altmann, H. Rickli, P. Ammann, E. Ullmer, and Z. Bertašienė, “QT Dispersion and Sleep related Breathing Disorders in Recipients of Implantable Cardioverter Defibrillator”, ELEKTRON ELEKTROTECH, vol. 91, no. 3, pp. 49–52, Mar. 2009, doi: 10.5755/j02.eie.10551.