Excellent post by a medical student, found in an online forum. All the credit to him/her. By 'enceph' from studentdoctor.net: "To respond to the inital poster's concerns, yes there are differences between...
Littmann stethoscopes by 3M have long been accepted as the highest quality, most reliable stethoscopes on the market. But there are so many different models, and it can be confusing to decide which one to buy....
Many 3M Littmann stethoscopes have a tunable diaphragm. This guide will help you understand this technology. Tunable technology provides convenience, versatility and enhanced acoustics. The dual frequency...