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Amazon.com: 3M Littmann Classic III - Estetoscopio para monitoreo (27 pulgadas), color negro : Industrial y Científico
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Amazon.com: 3M Littmann Classic III - Estetoscopio de monitoreo, pieza de pecho Black Edition, tubo negro, 27 pulgadas, 5803 : Industrial y Científico
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3M Littmann Classic III Monitoring Stethoscope, Smoke-Finish, Black Tube, 27 inch, 5811 & 40007 Stethoscope Identification Tag, Black: Amazon.com: Industrial & Scientific
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