Abdalla1. A. A. A. 2. M. H. A. “HAEMOGLOBIN F LEVEL AND HAEMATOLOGICAL FEATURE AMONG SUDANESE CHILDREN WITH SICKLE CELL ANAEMIA UNDERGOING HYDROXYUREA THERAPY”. Journal of Biomedical and Pharmaceutical Research, Vol. 4, no. 3, Oct. 2017, http://jbpr.in/index.php/jbpr/article/view/191.