title: Ultrastructural injury to chick myocardial cells in vitro following "electric countershock".
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000209:etiology; D002467:Cell Nucleus / Q000648:ultrastructure; D002642:Chick Embryo; D004554:Electric Countershock; D004594:Electrophysiology; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006335:Heart Injuries; D008929:Mitochondria, Heart / Q000648:ultrastructure; D009200:Myocardial Contraction; D009206:Myocardium / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure