Bushra Khan, Ravi Ganji, and Bhima Linga Prasad. “Riedel’s Thyroiditis Presenting As Large Retropharyngeal Goiter - A Rare Case”. Asian Pacific Journal of Health Sciences, vol. 5, no. 1, Mar. 2018, pp. 150-2, doi:10.21276/apjhs.2018.5.1.33.