Raza, Syed Shahmeer, et al. “INTRAORBITAL, INFRATEMPORAL AND INTRACRANIAL EXTENSIONS AS THE FIRST PRESENTATION OF FOLLICULAR THYROID CARCINOMA”. Journal of Ayub Medical College Abbottabad, vol. 31, no. 3, Aug. 2019, pp. 461-3, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/5836.