Shoaib, F. , Saeed, R. , Khan, S. , Siddiqa, A. , Bashir, S. and Safdar, S. 2022. Correlation of serum TSH levels with serum ferritin levels in children of β thalassemia major presenting at tertiary care hospital. Pakistan Journal of Medical & Health Sciences. 16, 02 (Mar. 2022), 327. DOI:https://doi.org/10.53350/pjmhs22162327.