title: Ventricular preexcitation in two horses.
mesh_terms: D000818:Animals; D004562:Electrocardiography / Q000662:veterinary; D006734:Horse Diseases / Q000503:physiopathology*; D006736:Horses; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology / Q000662:veterinary*