1. Diseases of the heart;Friedberg,1966
2. Atlas of congenital cardiac disease;Abbott,1936
3. Idiopathic congenital dilatation of the pulmonary artery;Kaplan;J. Lab. & Clin. Med.,1953
4. Pulmonic regurgitation;Kezdi;Quart. Bull. Northwestern Univ. M. School,1955
5. Isolated congenital pulmonic insufficiency. Differentiation of mild from severe regurgitation;Nemickas;Am. J. Cardiol.,1964