Giri, R., P. K. Yadav, S. Agarwal, and L. Kumar. “Assessment of Prognostic Value of FT3, FT4 and TSH Among Critically Ill Patients”. International Journal of Advances in Medicine, vol. 8, no. 6, May 2021, pp. 775-80, doi:10.18203/2349-3933.ijam20212098.