Сторчун, Є. В., Є. І. Яковенко, and Т. А. Смердова. “Transmittion of Heart Sounds by Means of Auscultation”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 80 (March 30, 2020): 73-78. Accessed May 3, 2024. https://radap.kpi.ua/radiotechnique/article/view/1609.