Eisenmenger's Syndrome
National Marfan Foundation
The SADS Foundation Web Site
The SADS AUSTRALIA Foundation Web Site
 Pediatric Cardiology Almanac:  Good resource for Williams Syndrome, Tetralogy of Fallot, Total Anomalous
                         Pulmonary Venous Return, Pulmonary Stenosis, and Corrected Transposition.
Shones Syndrome:Shones Kids are special
Shones Syndrome: general information