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
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Amazon.com: MABIS Stethoscope, Adult with Infant Bell, Diaphragm, Stainless Steel Chest piece, Dual Binaural and 22 Inch Tubing with 2 Extra sets of Ear tips, Black : Everything Else
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