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Amazon.com: 3M Littmann Stethoscope Spare Parts Kit, Classic II S.E., Grey, 40006 : Industrial & Scientific
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Amazon.com: 3M™ Littmann® Classic II Infant Stethoscope, Black Tube, 28 inch, 2114 : Industrial & Scientific
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Amazon.com: 3M™ Littmann® Classic II Infant Stethoscope, Black Tube, 28 inch, 2114 : Industrial & Scientific
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3M Littmann Master Classic II Stethoscope, Black Plated Chestpiece and Eartubes, Black Tube, 27 inch, 2141 - Walmart.com
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