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3M Littmann Stethoscope, Master Cardiology, Black Tube, Stainless Steel Chestpiece, 27 inch, 2160: Amazon.com: Industrial & Scientific
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3M Littmann Stethoscope, Master Cardiology, Black Tube, Smoke Chestpiece, 27 inch, 2176: Amazon.com: Industrial & Scientific
LITTMANN, Stethoscope Master Cardiology, Single, Stethoscope Master Cardiology - 30XG01|2160 - Grainger
New 3M™ Littmann® Master Cardiology Stethoscope, 27", Brass Finish Chestpiece, Black Tubing by 3M Health Care
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