title: Ultrastructure of human myocardium in various congenital and acquired heart diseases.
mesh_terms: D001706:Biopsy; D006330:Heart Defects, Congenital / Q000473:pathology*; D006349:Heart Valve Diseases / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D009206:Myocardium / Q000473:pathology*; D009210:Myofibrils; D012519:Sarcoplasmic Reticulum