Research Article
Association of Autoantibodies against M2-Muscarinic Acetylcholine Receptor with Atrial Fibrosis in Atrial Fibrillation Patients
Figure 5
Histological analysis of the left atrial appendage. (a) Hematoxylin and eosin (H&E) staining of the left atrium appendage in the non-AF and the AF groups. Left, representative image; right, statistical results for the cell surface area. (b) Masson’s trichrome staining of the left atrium appendage in the non-AF and AF groups. Left, representative image; right, quantification of the collagen volume fraction. ; .
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