Validation of a composite vascular high‐risk profile for adult patients with sickle cell disease. Issue 12 (17th September 2019) - Nouraie, Mehdi; Little, Jane A.; Hildesheim, Mariana; Gibbs, J. Simon R.; Morris, Claudia R.; Machado, Roberto F.; Kato, Gregory J.; Gordeuk, Victor R.; Gladwin, Mark T.