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3M™ Littmann® Classic III™ Stethoscope, Standard-Finish Chestpiece, Black Tube, 27 inch, 5620 | 3M Indonesia
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![PDF) Comparison of stethoscope bell and diaphragm, and of stethoscope tube length, for clinical blood pressure measurement PDF) Comparison of stethoscope bell and diaphragm, and of stethoscope tube length, for clinical blood pressure measurement](https://www.researchgate.net/profile/Chengyu-Liu-13/publication/289534996/figure/tbl3/AS:667930001956865@1536258330148/pressure-results-mmHg-from-all-data-as-well-as-from-the-separate-stethoscope-side-and_Q320.jpg)