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Inspired by innovation: How the 3M™ Littmann® stethoscope became one of medicine's most powerful dia
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3M™ Littmann® Lightweight II S.E. Stethoscope, 2452, Caribbean Blue Tube, 28 in (71 cm) : Amazon.ca: Industrial & Scientific
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3M™ Littmann® Cardiology IV™ Diagnostic Stethoscope, 6205, Rainbow-Finish Chestpiece, Plum Tube, Violet Stem and Black Headset, 27 in (69 cm) | 3M Canada
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3M Littmann Classic III Stethoscope 5803 Full black - Matte black Chestpiece and black Tube | B-Arm Medical
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