Blužaitė, I., D. Altmann, H. Rickli, P. Ammann, E. Ullmer, and Z. Bertašienė. 2009. “QT Dispersion and Sleep Related Breathing Disorders in Recipients of Implantable Cardioverter Defibrillator”. Elektronika Ir Elektrotechnika 91 (3):49-52. https://eejournal.ktu.lt/index.php/elt/article/view/10551.