POTAPENKO, S. V. Peculiarities of Heart Rhythm Variability in Children and Adolescents with Arrhythmias in the Presence of Comorbidity of the Upper Gastrointestinal Tract. Zaporozhye мedical journal, [S. l.], v. 18, n. 3, 2016. DOI: 10.14739/2310-1210.2016.3.76984. Disponível em: http://zmj.zsmu.edu.ua/article/view/76984. Acesso em: 25 feb. 2024.