Fine structure of myocardial mitochondria in rats after exercise for one-half to two hours.
D000818:Animals; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000166:cytology*; D009206:Myocardium / Q000166:cytology*; D005082:Physical Exertion; D051381:Rats; D012270:Ribosomes