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Introducing the 3M™ Littmann® CORE Digital Stethoscope! Our most advanced stethoscope yet comes with up to 40x ...
330,854 views
3 years ago
Interventional Cardiologist, Dr. Ali Haider, unboxes and reviews the 3M Littmann CORE Digital Stethoscope. The Littmann CORE ...
161,349 views