BERSKIENE, K.; LUKOSEVICIUS, A.; JARUSEVICIUS, G.; JURKONIS, V.; NAVICKAS, Z.; VAINORAS, A.; DAUNORAVICIENE, A. Analysis of Dynamical Interrelations of Electrocardiogram Parameters. Elektronika ir Elektrotechnika, [S. l.], v. 95, n. 7, p. 95-98, 2009. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10055. Acesso em: 1 dec. 2020.