title: [Clinical features and its significance of mitral regurgitation associated with hyperthyroidism: report of 5 cases and review of the literature].
mesh_terms: D000328:Adult; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications*; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000209:etiology / Q000503:physiopathology*