Patel, V. I., and A. B. K. “A Comparative Study on Outcomes of Preprandial Versus Postprandial Thyroid Function Test”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 6, Oct. 2019, pp. 1662-4, doi:10.18203/issn.2454-5929.ijohns20194945.