[A clinicopathological study on the atrial fibrillation and atrial volume in the aged (author's transl)].
D000368:Aged; D001281:Atrial Fibrillation / Q000473:pathology*; D006325:Heart Atria; D006801:Humans; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology*