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3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube: Amazon.com: Industrial & Scientific
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Amazon.com: 3M Littmann Classic III - 5620 - Estetoscopio de control, tubo color negro, 27 pulgadas. : Industrial y Científico
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Amazon.com: 3M Littmann Classic III Monitoring Stethoscope, Black Tube, 27 inch, 5620 : Industrial & Scientific
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3M™ Littmann® Stethoscope Binaurals for Master Cardiology™ , Cardiology III™ , Cardiology II S.E. and Cardiology S.T.C. Stethoscopes, Black Tube, Black Eartips, 27 inch - SAVELIVES
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3M Littmann Classic III 27" Monitoring Stethoscope, Copper-Finish Chestpiece, Chocolate Tube, 5809 - Walmart.com
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