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3M Littmann Stethoscope, Master Cardiology, Black Tube, Smoke Chestpiece, 27 inch, 2176: Amazon.com: Industrial & Scientific
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Estetoscopio Littmann Lightweight II SE, en color azul Caribe (2452) - Littmann Lightweight Stethoscope
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3M™ Littmann® CORE Digital Stethoscope, 8480, Black Chestpiece, Tube, Stem and Headset, 27 inch | 3M United States
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