http://www.childrenscardiomyopathy.org/site/description.php
http://ghr.nlm.nih.gov/chromosome=12
http://www.sos.se/smkh/2005-110-16/2005-110-16.htm
http://www.madisonsfoundation.org/content/3/1/display.asp?did=277
http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Noonan%20Syndrome