title: Cardiopathology of sinoatrial block in horses.
mesh_terms: D000818:Animals; D005260:Female; D006327:Heart Block / Q000662:veterinary*; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008297:Male; D009206:Myocardium / Q000473:pathology*; D012848:Sinoatrial Block / Q000473:pathology / Q000662:veterinary*; D012849:Sinoatrial Node / Q000473:pathology