Biotronik,. “CYLOS: Nova Geração De Marcapassos Cardíacos Com Estimulação Em Malha Fechada (Closed Loop Stimulation)”. JOURNAL OF CARDIAC ARRHYTHMIAS 19, no. 1 (October 17, 2006): 75–78. Accessed May 4, 2025. https://www.jca.org.br/jca/article/view/2835.