1. Prospective study of sickle cell anemia in infancy. J course but also had raised HbF levels. The presence of Howell-Jolly bodies is considered a reliable and clinically practicable indicator of loss of splenic function.' 12 While only one-sixth Pediatr;T, O.'Brien R.; S, McIntosh; T, Aspnes G.; A, Pearson H.,1976
2. Natural history of sickle cell disease in the first ten years;R, Powars D.;Semin Hematol,1975
3. Early deaths in Jamaican of the Saudi Arab infants with HbSS had Howellchildren with sickle cell disease;W, Rogers D.; M, Sparke B.R.; R, Serjeant G.;Br MedJ,1978
4. Benign sickle cell anaemia;P, Perrine R.; J, Brown M.; B, Clegg J.; J, Weatherall D.; A, May;Lancet,1972
5. Natural history of sickle cell anemia in Saudi Arabs;P, Perrine R.; E, Pembrey M.; P, John; S, Perrine; F, Shoup;Ann Intern Med,1978