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3M Littmann 6152 Cardiology IV Stethoscope, Standard-Finish Chestpiece, 27", Black Tube - Walmart.com
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3M Littmann Cardiology IV Diagnostic Stethoscope, Black-Finish Chestpiece, Black Tube, Stem and Headset, 27 inch, 6163 + 40007 Stethoscope Identification Tag, Black : Industrial & Scientific - Amazon.com
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