Hydroxycarbamide versus chronic transfusion for maintenance of transcranial doppler flow velocities in children with sickle cell anaemia—TCD With Transfusions Changing to Hydroxyurea (TWiTCH): a multicentre, open-label, phase 3, non-inferiority trialRussell E. Ware, Robert J. Adams, Banu Aygün et al.|The Lancet|2015Cited by 518
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