Lapouméroulie, Claudine Decreased plasma endothelin-1 levels in children with sickle cell disease treated with hydroxyurea. [electronic resource] - Haematologica Mar 2005 - 401-3 p. digital Publication Type: Letter ISSN: 1592-8721 Subjects--Topical Terms: Anemia, Sickle Cell--bloodCase-Control StudiesChildEndothelin-1--bloodFetal Hemoglobin--analysisHumansHydroxyurea--therapeutic use