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Digital Stethoscope Watch Quartz Clock Time Accessory Replacement Part Diaphragm Cover for Dual Head Doctor Medical Stethoscope - AliExpress
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Amazon.com: MDF® Pulse Time Teaching Stethoscope with Embedded Digital LCD Clock - 4 Users - Navy Blue (MDF757PT-04) : Industrial & Scientific
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Amazon.com: MDF® Pulse Time® 2-in-1 Digital LCD Clock and Single Head Stethoscope - Free-Parts-for-Life & Lifetime Warranty - Pastel Blue (MDF740-03) : Industrial & Scientific
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Amazon.com: MDF® Pulse Time® 2-in-1 Digital LCD Clock and Single Head Stethoscope - Free-Parts-for-Life & Lifetime Warranty - Pastel Blue (MDF740-03) : Industrial & Scientific
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Amazon.com: MDF® Pulse Time Teaching Stethoscope with Embedded Digital LCD Clock - 4 Users - Navy Blue (MDF757PT-04) : Industrial & Scientific
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