1. Cartmill T. Johnson D. C. Elermajer J. et alii(1973).The scope and results of palliative surgery for congenital heart disease in the first year of life presented at Royal Australasian College of Surgeons meeting Singapore 1973.
2. The pulmonary artery after debanding
3. Further observations of the natural course of ventricular septal defect; new clinical and physiological data;Gasul B. M.;Circulation,1957