title: Clinical and echocardiographic correlates of systemic embolization in nonrheumatic atrial fibrillation.
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications / Q000503:physiopathology*; D004452:Echocardiography; D004617:Embolism / Q000209:etiology / Q000503:physiopathology*; D006801:Humans