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Amazon.com: Estetoscopio 3 M Littmann Cardiology IV, standard-finish chestpiece, 27", 1 : Industrial y Científico
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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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3M Littmann Cardiology IV Stethoscope, Standard-Finish Chestpiece, Black Tube, Stainless Stem/Headset, 27 inch, 6152 - Walmart.com
3M™ Littmann® Cardiology IV Stethoscope, 3M Littmann Cardiology IV • 22" Black Tube | Hopkins Medical Products
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