title: Correlation of atrial fibrillation with presence or absence of mitral anular calcium in 604 persons older than 60 years.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation / Q000453:epidemiology / Q000209:etiology*; D002114:Calcinosis / Q000150:complications*; D003430:Cross-Sectional Studies; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology*