twenty-eight patients with sickle cell anemia who did not qualify for randomization ( mainly because they had other medical disorders ) , 66 with sickle cell-hemoglobin c disease , and 23 with sickle cell-beta-thalassemia were also followed and received transfusions only for emergencies .
C0002895
sickle cell anemia
C0019034
sickle cell-hemoglobin c disease