Brown, R.E., Hamilton, P.J.S., Kagwa, J. and Warley, M.A.: Is marriage counseling feasible in Africa to prevent sickle cell disease? Clin. Pediatr.8: 7, 1969.
2.
Hendrickse, R.G.: Sickle cell anemia in Nigerian children. Centr. Af. J. Med.2: 45, 1960.
3.
Jacob, G.F.: A study of the survival rate of cases of sickle cell anemia. Br. Med. J.1: 738, 1957.