title: Microscopic lesions in the hearts of aged horses and mules.
mesh_terms: D000818:Animals; D003327:Coronary Disease / Q000473:pathology; D004719:Endomyocardial Fibrosis / Q000473:pathology; D005260:Female; D006331:Heart Diseases / Q000473:pathology / Q000662:veterinary; D006349:Heart Valve Diseases / Q000473:pathology; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008297:Male; D009205:Myocarditis / Q000473:pathology