From irritable heart to mitral valve prolapse: systolic clicks, apical murmurs, and the auscultatory connection in the 19th century.
D006326:Heart Auscultation / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008945:Mitral Valve Prolapse / Q000266:history; D006113:United Kingdom; D014481:United States