January 15, 2009 – The Thalassemia Clinical Research Network (TCRN) presented a poster on Hemoglobin H-Constant Spring , a form of alpha-thalassemia, at the annual meeting of the American Society of Hematology (ASH) in December. The poster, entitled “Hemoglobin H-Constant Spring in North America: A Common Alpha Thalassemia with Frequent Complications,” reported on a […]