Яненко, О.П., and В.П. Романюк. “Electronically Methods and Facilities of Lungs Auscultation”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 45 (June 1, 2011): 170-176. Accessed May 13, 2024. https://radap.kpi.ua/radiotechnique/article/view/212.