title: Some "also rans' in the evolution of the modern stethoscope.
authors.affiliation: Division of Cardiology, College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA.
authors.forename: Y
authors.initials: Y
authors.lastname: Woo
authors.forename: R S
authors.initials: RS
authors.lastname: Danziger
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D010330:Patents as Topic / Q000266:history*; D019023:Stethoscopes / Q000266:history*; D014481:United States