GeneReviews: Noonan Syndrome
Summary, diagnosis, clinical description, differential diagnosis, management, genetic counseling and molecular genetics.
MedlinePlus: Noonan Syndrome
Includes the alternate names, a summary and a list of major features for Noonan syndrome.
NHS Choices: Noonan Syndrome
Provides information on this genetic disorder. Includes details of symptoms, causes, diagnosis and treatment.
NORD - Noonan Syndrome
Offers the synonyms, a general discussion and further resources.
eMedicine - Noonan Syndrome : Article by Jennifer Ibrahim, MD
Thorough summary of history, diagnosis, and treatment.