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3M 2176 Littmann Master Cardiology Smoke Chestpiece Stethoscope with 27" Black Tube: Amazon.com: Industrial & Scientific
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Estetoscópio 3M Classic III Smoke 5811 Littmann Preto : Amazon.com.br: Produtos Industriais e Científicos
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Amazon.com: 3M Littmann Classic III Stethoscope, Smoke-Finish, Black Tube, 27 inch, 5811 and Primacare DL-9325 Reusable LED Penlight with Pupil Gauge bundle : Industrial & Scientific
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