Cold Spring Harbor Laboratory
Your Genes, Your Health: Hemophlilia
An excellent site that investigates the causes and treatments of Hemophilia, as well as the symptoms and much more.
Mayo Clinic
Mayo Clinic: High Platelet Count
Resource provides great information on Thrombocythemia, or high platelet count. The article is set up as a brief answer to a question about the condition, thrombocythemia. The information is short, factual and interesting.