Why is most of the chest piece in the stethoscope in a circular shape? Will it work if it is designed in some other shape? - Quora
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adc adscope 601 convertible cardiology stethoscope with tunable afd technology, adult diaphragm and adult bell or pediatric diaphragm, 28 inch length, metallic ceil blue - Walmart.com
Biomedical Engineers - How Stethoscopes Work? Sound has been used as a diagnostic tool for millennia. You can learn a lot with an ear to a person's chest -- that the heart
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