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Amazon.com: 3M Littmann Stethoscope, Classic II Infant, Red Tube, Stainless Steel Chestpiece, 28 inch, 2114R : Industrial & Scientific
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Amazon.com: 3M Littmann Stethoscope, Classic II Pediatric, Caribbean Blue Tube, Stainless Steel Chestpiece, 28 inch, 2119 : Industrial & Scientific
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