title: [Development of the QRS group of the ECG in race horses in their 2d year of training].
mesh_terms: D000818:Animals; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006736:Horses / Q000502:physiology*; D005082:Physical Exertion; D013997:Time Factors
vernacular_title: Verhalten der QRS-Gruppe im EKG bei Rennpferden im zweiten Trainingsjahr.