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Amazon.com: EverOne Professional Style Cardiology Stethoscope, Black, 27 Inch : Industrial & Scientific
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3M Littmann Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chest piece, 22 inch, 6151 - Norton Medical Supply
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OOPS-6155 3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope, Standard-Finish Chestpiece, Hunter Green Tube, 27 inch
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