title: An ultrastructural study of human cardiac muscle biopsies in the diagnosis of congestive cardiomyopathy.
mesh_terms: D001024:Aortic Valve Stenosis / Q000150:complications; D001706:Biopsy; D006332:Cardiomegaly / Q000150:complications; D003937:Diagnosis, Differential; D006333:Heart Failure / Q000175:diagnosis* / Q000473:pathology; D006352:Heart Ventricles; D006801:Humans; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009206:Myocardium / Q000473:pathology*