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4th Generation 3M Littmann Classic III Stethoscope Sthetoscope Littman Stethoscope 5620 - AliExpress
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Amazon.com: 3M Littmann Classic III Stethoscope, Stainless-Steel-Finish Chestpiece, Black Tube, 27 inch, 5620 and Primacare DL-9325 Reusable LED Penlight with Pupil Gauge bundle : Industrial & Scientific
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