@online{CORE-DA_url,,
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@book{GVR_rep,,
  title = {Stethoscope market size, share & trends analysis report by technology type (electronic/digital stethoscope, smart stethoscope), by sales channel, by end-use, by region, and segment forecasts, 2024--2030},
  publisher = {Grand View Research},
  year = {2022},
  number = {GVR-2-68038-050-7}
}

@techreport{M66D1940_Shure,,
  title = {Model 66D piezoelectric stethophone. Data sheet No. 162},
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  year = {1940}
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@online{Medetron-F_url,,
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@book{Yoon2020_B,,
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@inbook{Abbas2009_B,
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@article{Alanazi2020_SJMMS,
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@article{Andres2012_HT,
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@article{Aumann2019_HTL,
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@inproceedings{Brown2020_COVID19,
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@article{Cabot1923_JAMA,
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@article{Geddes2005_EMBM,
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@article{Giorgio2012_IJBIR,
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@book{Greene2022_B,
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@book{Hadjileontiadis2009_B,
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@article{Huard1981_HSM,
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@article{Kalinauskiene2019,
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@article{Kim2022_BMC,
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@article{Koning2022_JMRI,
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@book{Laennec1819_B,
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@article{Leng2015_BMEOL,
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@article{Lenharo2024_Nat,
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@article{Littmann1961_JAMA,
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  year = {1961},
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  doi = {10.1001/jama.1961.73040440018014}
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@article{Mangion2007_Malta,
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@inbook{Marques2018_Ch,
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@book{McKusick1958_B,
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@article{Minagawa1940_TJEM4,
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@article{Montinari2019_JMH,
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  title = {The first 200 years of cardiac auscultation and future perspectives},
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@article{Moriwaki1943_TJEM6,
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@article{Nowak2018_BMEol,
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@article{Nussbaumer2022_JSV,
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@inproceedings{Oliynik2015_ELNANO,
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@article{Oliynik2022_JEEE,
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@article{Parker1918_JEM,
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@article{Pasterkamp1997_AJRCCM,
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@article{Renner2013_HSM,
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@article{Sprague1926_JAMA,
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@article{Sterne2001_JMH,
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@article{Taylor1956_L,
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