title: Electrocardiographic changes during the unmodified rejection of heterotopic canine heart allografts.
mesh_terms: D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D006084:Graft Rejection; D006329:Heart Conduction System / Q000502:physiology; D016027:Heart Transplantation; D008722:Methods; D014181:Transplantation Immunology; D014184:Transplantation, Homologous