title: A heart-beat is amplified and then resonates in history.
authors.affiliation: Brown University, USA. SMAMD@cox.net
authors.forename: Stanley M
authors.initials: SM
authors.lastname: Aronson
mesh_terms: D049672:History, 19th Century; D006801:Humans; D010808:Physical Examination / Q000266:history*; D019023:Stethoscopes / Q000266:history*