title: Effect of maturation and training on mitochondrial size distributions in rat hearts.
mesh_terms: D000375:Aging; D000818:Animals; D008297:Male; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000378:metabolism; D009124:Muscle Proteins / Q000032:analysis; D009206:Myocardium / Q000166:cytology* / Q000378:metabolism; D005082:Physical Exertion; D051381:Rats
chemical_list: D009124:Muscle Proteins