title: Sickle cell disease--new treatments, new questions.
authors.forename: A R
authors.initials: AR
authors.lastname: Cohen
mesh_terms: D000755:Anemia, Sickle Cell / Q000000981:diagnostic imaging / Q000628:therapy*; D001783:Blood Flow Velocity; D001803:Blood Transfusion; D002561:Cerebrovascular Disorders / Q000517:prevention & control*; D006801:Humans; D017585:Ultrasonography, Doppler, Transcranial