Ahmed, A., Y. Sahu, D. Meena, and A. L. Bairwa. “Association of Lung Function by Spirometry With Serum Ferritin in Transfusion-Dependent Thalassemia Patients in a Tertiary Care Centre”. International Journal of Contemporary Pediatrics, vol. 10, no. 9, Aug. 2023, pp. 1402-5, doi:10.18203/2349-3291.ijcp20232584.