3M™ Littmann® Cardiology IV Stethoscope, 3M Littmann Cardiology IV • 22" Black Tube | Hopkins Medical Products
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3M 2161 - Cardiology Stethoscope 3M™ Littmann® Master Cardiology™ Black 1-Tube 27 Inch Tube Single Head Chestpiece, 2161 - Medical Mega
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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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Amazon.com: 3M 6152 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 27" Black Tube : Industrial & Scientific
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