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
Stetoscop 3M Littmann Cardiology III
Littmann Cardiology III Stethoscope Blue | eBay
Amazon.com: 3M Littmann Stethoscope, Cardiology IV, Black Tube, Stainless Steel Chestpiece, 27 Inch, 6152 : Industrial & Scientific
Littmann Classic III Stethoscope, Pearl Pink, 5633 - Stethoscope.com