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6176 3M Littmann Cardiology IV Diagnostic Stethoscope, Burgundy and Champagne(27″) – Student Medical Shop
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How Sound Travels Sounds are carried by vibrating particles. Sounds can travel through: 1.Gases ( air in the room ) 2.Liquids ( water in a swimming pool. - ppt download
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Amazon.com: 3M 6151 Littmann Cardiology IV Stainless Steel Chestpiece Stethoscope with 22" Black Tube : Industrial & Scientific
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