Transmittion of Heart Sounds by Means of Auscultation. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 80, p. 73–78, 2020. DOI: 10.20535/RADAP.2020.80.73-78. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/1609. Acesso em: 1 jul. 2025.