title: Clinicopathologic study on determinants of the amplitude of atrial fibrillation waves in the geriatric population.
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000473:pathology / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged