title: Letter: Does pectus excavatum cause functional disability?
mesh_terms: D002302:Cardiac Output; D005660:Funnel Chest / Q000150:complications / Q000503:physiopathology* / Q000601:surgery; D006321:Heart / Q000503:physiopathology*; D006331:Heart Diseases / Q000209:etiology; D006801:Humans; D005082:Physical Exertion