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3M Littmann Classic III Monitoring Stethoscope, Copper-Finish Chestpiece, Chocolate Tube, 27 inch, 5809 - AliExpress
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Amazon.com: 3M Littmann Classic III Stethoscope, Ceil Blue Tube, 27 inch, 5630 and Primacare DL-9325 Reusable LED Penlight with Pupil Gauge bundle : Industrial & Scientific
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