title: Idiopathic cardiomyopathy: light and electron microscopic studies of open chest, myocardial biopsies.
mesh_terms: D001706:Biopsy; D009202:Cardiomyopathies / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D009206:Myocardium / Q000473:pathology* / Q000648:ultrastructure