S. Pandarakutty, K. Murali, J. Arulappan, and S. D. Al Sabei, “Health-Related Quality of Life of Children and Adolescents with Sickle Cell Disease in the Middle East and North Africa Region: A systematic review”, Sultan Qaboos Univ Med J, vol. 20, no. 4, pp. e280–289, Dec. 2020.