title: From irritable heart to mitral valve prolapse: British Army medical reports, 1860 to 1870.
mesh_terms: D004739:England; D049672:History, 19th Century; D006801:Humans; D008887:Military Medicine; D008945:Mitral Valve Prolapse; D009449:Neurocirculatory Asthenia; D014481:United States; D014857:Warfare