Amazon.com: EverOne Premium Cardiology Stethoscope, Black Tube, 27 Inch : Industrial & Scientific
3M™ Littmann® Cardiology S.T.C. Stethoscopes - DynaTech Medical Supplies
Amazon.com: eSteth Cardiology Stethoscope - Professional Tool for Cardio Diagnostic - Ultra Sensitive Single Head Chest Piece, Broad Headset - Extra Ear Tips & Non-Chill Ring - 30" Tubing, Black Stethoscope :
Professional Cardiology Stethoscope 27" Tunable Diaphragm Choose from 7 Colors - Walmart.com
3M Littmann Cardiology IV Stethoscope, Standard-Finish Chestpiece, Black Tube, Stainless Stem/Headset, 27 inch, 6152 - Walmart.com