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Amazon.com: 3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
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Littmann Master Cardiology Stethoscope (5 special colors) – Berani Femme Couture Scrubwear & Medical Supply
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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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3M Littmann Cardiology IV Stethoscope, Standard-Finish Chestpiece, Black Tube, Stainless Stem/Headset, 27 inch, 6152 - Walmart.com
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