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Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 22 inch, 6151 : Industrial & Scientific
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Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Black Chestpiece, 27 Inch, 6163 & Classic III Monitoring Stethoscope, Black Edition Chestpiece, Black Tube, 27 Inch, 5803 : Industrial & Scientific
Littmann Classic III Vs Littmann Cardiology IV | Littmann Classic III Vs Littmann Cardiology IV Hi there..... The age old question... Which stethoscope should I buy? The truth is, it depends on
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3M Littmann Cardiology IV Stethoscope, Black-Finish Chestpiece, Black Tube, Stem and Headset, 27 inch, 6163
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