title: Where are the diseases of yesteryear? DaCosta's syndrome, soldiers heart, the effort syndrome, neurocirculatory asthenia--and the mitral valve prolapse syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D004417:Dyspnea / Q000266:history; D005221:Fatigue / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000145:classification; D009449:Neurocirculatory Asthenia / Q000266:history*