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Amazon.com: 3M 6152 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
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3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope, High Polish Smoke-Finish Chestpiece, Black Tube, Black Stem and Black Headset, 27 inch, 6232: Amazon.com: Industrial & Scientific
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