Clark, D R Imperforate cardiac septal defect in a dog. [electronic resource] - Journal of the American Veterinary Medical Association Apr 1970 - 1020-5 p. digital Publication Type: Journal Article ISSN: 0003-1488 Subjects--Topical Terms: AnimalsDiagnosis, DifferentialDog Diseases--diagnosisDogsElectrocardiography--veterinaryHeart Conduction System--physiopathologyHeart Septal Defects--pathologyHeart Septal Defects, Atrial--veterinaryHeart Septal Defects, Ventricular--diagnosisVectorcardiography--veterinary