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Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163 & Classic III Monitoring Stethoscope, Black Edition Chestpiece, Black Tube, 27 Inch, 5803 : Industrial & Scientific
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Amazon.com: 3M Littmann Classic III Monitoring Stethoscope with ID Tag - Caribbean Blue Tube, 27 inch : Industrial & Scientific
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3M™ Littmann® Cardiology III™ Stethoscope, Smoke-Finish Chestpiece, Dark Olive Green Tube, 27 inch, 3166 - Walmart.com
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