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3M Littmann Master Cardiology Stethoscope, Black, 1-Tube, 27 Inch Tube, Single Head Chestpiece, 1 Count - Walmart.com
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Littmann Cardiology III 3M Stethoscope Black - Good Condition , No Box | Fabricating and Metalworking
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Amazon.com: 3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160 : Industrial & Scientific
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