1. Herzmissbildungen und endokardiose beim schwein [Malformations of the heart and endocardiosis in swine];Guarda;Dtsch Tierarztl Wochenschr,1993
2. Morphology of 324 swine cases of cardiac anomalies;Ohwada;J Jpn Vet Med Assoc,1999
3. Congenital malformations of the heart in cattle and swine. A survey of a collection;Van Nie;Acta Morphol Neerl Scand,1966
4. Congenital malformations in pigs in a post mortem material;Bille;Nord Vet Med,1977
5. Congenital heart diseases in swine;Hsu;Vet Pathol,1982