Comment on

• Prevention of a first stroke by transfusions in children with sickle cell anemia and abnormal results on transcranial Doppler ultrasonography.

  Adams RJ, McKie VC, Hsu L, Files B, Vichinsky E, Pegelow C, Abboud M, Gallagher D, Kutlar A, Nichols FT, Bonds DR, Brambilla D. Adams RJ, et al. N Engl J Med. 1998 Jul 2;339(1):5-11. doi: 10.1056/NEJM199807023390102. N Engl J Med. 1998. PMID: 9647873 Clinical Trial.