1. Fyler DC, Buckley LP, Hellenbrand WE (1980) Infant heart disease, congenital heart disease, New England Regional Program. Pediatrics 65(suppl): 375-461.
2. Masood Sadiq, Bakht Roshan, Asjad Khan, Farhan Latif, Irfan Bashir, et al. (2001) Pediatric Heart Disease in Pakistan - epidemiological data on 6620 patients. Pak Paed J Jun 25(2): 63-70.
3. Shinebourne EA, Babu-Narayan SV, Carvalho JS (2006) Tetralogy of Fallot: from fetus to adultHeart 92(9): 1353-1359.
4. Saeed S, Hyder SN, Sadiq M (2009) Anatomical variations of pulmonary artery and associated cardiac defects in tetralogy of Fallot. J Coll Physicians Surg Pak 19(4): 211-214.
5. Patterns of cardiac and extracardiac anomalies in adults with tetralogy of Fallot;Piran;Am Heart J 161(1),2011