Gupta, S., P. Choudhary, D. Singh, and P. Malpani. “An Evaluation of Effect of Hydroxyurea on Frequency of Blood Transfusion, Vaso-Occlusive Crisis and Hospitalisation in Children of Sickle Cell Anemia”. International Journal of Contemporary Pediatrics, vol. 10, no. 1, Dec. 2022, pp. 29-33, doi:10.18203/2349-3291.ijcp20223416.