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. Author manuscript; available in PMC: 2021 May 14.
Published in final edited form as: IEEE J Biomed Health Inform. 2021 May 11;25(5):1542–1549. doi: 10.1109/JBHI.2020.3020494

Fig. 5:

Fig. 5:

Power spectra comparison of electronic, acoustic, and filtered stethoscope sound.