title: From irritable heart to mitral valve prolapse: World War I--the U.S. experience and the prevalence of apical systolic murmurs and mitral regurgitation in drafted men compared with present day mitral valve prolapse studies.
authors.affiliation: Division of Cardiology, College of Medicine, Ohio State University, Columbus.
authors.forename: C F
authors.initials: CF
authors.lastname: Wooley
authors.forename: H
authors.initials: H
authors.lastname: Boudoulas
mesh_terms: D006326:Heart Auscultation; D006337:Heart Murmurs; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008889:Military Personnel; D008944:Mitral Valve Insufficiency / Q000453:epidemiology; D008945:Mitral Valve Prolapse / Q000453:epidemiology; D009449:Neurocirculatory Asthenia; D014481:United States; D014857:Warfare