“Evaluation of Patient Life Quality After Cardiac Resynchronisation Therapy Pacemaker and Cardioverter-Defibrillator (Cardiac Resynchronisation Therapy Device) Implantation Depending on Age”. Modern Nursing and Public Health, vol. 3, no. 2, June 2014, pp. 34-39, https://journals.ieditore.com/index.php/MNHC/article/view/955.